Mercurial > octave
annotate scripts/general/interp2.m @ 23572:0703d31e1ec0
new script for updating test status for fixed bugs
* build-aux/update-bug-status.sh: New script.
* build-aux/module.mk: New file.
* Makefile.am: Include it.
* scripts/module.mk (FCN_FILES_WITH_TESTS): New variable.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 09 Jun 2017 17:40:34 -0400 |
parents | b6144e6dda9e |
children | 1b4f4ec53b4a |
rev | line source |
---|---|
23219
3ac9f9ecfae5
maint: Update copyright dates.
John W. Eaton <jwe@octave.org>
parents:
23083
diff
changeset
|
1 ## Copyright (C) 2000-2017 Kai Habel |
8920 | 2 ## Copyright (C) 2009 Jaroslav Hajek |
5837 | 3 ## |
4 ## This file is part of Octave. | |
5 ## | |
6 ## Octave is free software; you can redistribute it and/or modify it | |
7 ## under the terms of the GNU General Public License as published by | |
22755
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22729
diff
changeset
|
8 ## the Free Software Foundation; either version 3 of the License, or |
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22729
diff
changeset
|
9 ## (at your option) any later version. |
5837 | 10 ## |
11 ## Octave is distributed in the hope that it will be useful, but | |
12 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
22755
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22729
diff
changeset
|
13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22729
diff
changeset
|
14 ## GNU General Public License for more details. |
5837 | 15 ## |
16 ## You should have received a copy of the GNU General Public License | |
7016 | 17 ## along with Octave; see the file COPYING. If not, see |
18 ## <http://www.gnu.org/licenses/>. | |
5837 | 19 |
20 ## -*- texinfo -*- | |
20852
516bb87ea72e
2015 Code Sprint: remove class of function from docstring for all m-files.
Rik <rik@octave.org>
parents:
20735
diff
changeset
|
21 ## @deftypefn {} {@var{zi} =} interp2 (@var{x}, @var{y}, @var{z}, @var{xi}, @var{yi}) |
516bb87ea72e
2015 Code Sprint: remove class of function from docstring for all m-files.
Rik <rik@octave.org>
parents:
20735
diff
changeset
|
22 ## @deftypefnx {} {@var{zi} =} interp2 (@var{z}, @var{xi}, @var{yi}) |
516bb87ea72e
2015 Code Sprint: remove class of function from docstring for all m-files.
Rik <rik@octave.org>
parents:
20735
diff
changeset
|
23 ## @deftypefnx {} {@var{zi} =} interp2 (@var{z}, @var{n}) |
516bb87ea72e
2015 Code Sprint: remove class of function from docstring for all m-files.
Rik <rik@octave.org>
parents:
20735
diff
changeset
|
24 ## @deftypefnx {} {@var{zi} =} interp2 (@var{z}) |
516bb87ea72e
2015 Code Sprint: remove class of function from docstring for all m-files.
Rik <rik@octave.org>
parents:
20735
diff
changeset
|
25 ## @deftypefnx {} {@var{zi} =} interp2 (@dots{}, @var{method}) |
516bb87ea72e
2015 Code Sprint: remove class of function from docstring for all m-files.
Rik <rik@octave.org>
parents:
20735
diff
changeset
|
26 ## @deftypefnx {} {@var{zi} =} interp2 (@dots{}, @var{method}, @var{extrap}) |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
27 ## |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
28 ## Two-dimensional interpolation. |
5837 | 29 ## |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
30 ## Interpolate reference data @var{x}, @var{y}, @var{z} to determine @var{zi} |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
31 ## at the coordinates @var{xi}, @var{yi}. The reference data @var{x}, @var{y} |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
32 ## can be matrices, as returned by @code{meshgrid}, in which case the sizes of |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
33 ## @var{x}, @var{y}, and @var{z} must be equal. If @var{x}, @var{y} are |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
34 ## vectors describing a grid then @code{length (@var{x}) == columns (@var{z})} |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
35 ## and @code{length (@var{y}) == rows (@var{z})}. In either case the input |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
36 ## data must be strictly monotonic. |
5837 | 37 ## |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
38 ## If called without @var{x}, @var{y}, and just a single reference data matrix |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
39 ## @var{z}, the 2-D region |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
40 ## @code{@var{x} = 1:columns (@var{z}), @var{y} = 1:rows (@var{z})} is assumed. |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
41 ## This saves memory if the grid is regular and the distance between points is |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
42 ## not important. |
5837 | 43 ## |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
44 ## If called with a single reference data matrix @var{z} and a refinement |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
45 ## value @var{n}, then perform interpolation over a grid where each original |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
46 ## interval has been recursively subdivided @var{n} times. This results in |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
47 ## @code{2^@var{n}-1} additional points for every interval in the original |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
48 ## grid. If @var{n} is omitted a value of 1 is used. As an example, the |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
49 ## interval [0,1] with @code{@var{n}==2} results in a refined interval with |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
50 ## points at [0, 1/4, 1/2, 3/4, 1]. |
11587
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
11536
diff
changeset
|
51 ## |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
52 ## The interpolation @var{method} is one of: |
5837 | 53 ## |
54 ## @table @asis | |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
15467
diff
changeset
|
55 ## @item @qcode{"nearest"} |
6218 | 56 ## Return the nearest neighbor. |
10821
693e22af08ae
Grammarcheck documentation of m-files
Rik <octave@nomad.inbox5.com>
parents:
10793
diff
changeset
|
57 ## |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
58 ## @item @qcode{"linear"} (default) |
6218 | 59 ## Linear interpolation from nearest neighbors. |
10821
693e22af08ae
Grammarcheck documentation of m-files
Rik <octave@nomad.inbox5.com>
parents:
10793
diff
changeset
|
60 ## |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
15467
diff
changeset
|
61 ## @item @qcode{"pchip"} |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
62 ## Piecewise cubic Hermite interpolating polynomial---shape-preserving |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
63 ## interpolation with smooth first derivative. |
10821
693e22af08ae
Grammarcheck documentation of m-files
Rik <octave@nomad.inbox5.com>
parents:
10793
diff
changeset
|
64 ## |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
15467
diff
changeset
|
65 ## @item @qcode{"cubic"} |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
66 ## Cubic interpolation (same as @qcode{"pchip"}). |
10821
693e22af08ae
Grammarcheck documentation of m-files
Rik <octave@nomad.inbox5.com>
parents:
10793
diff
changeset
|
67 ## |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
15467
diff
changeset
|
68 ## @item @qcode{"spline"} |
12175
2090995ca588
Correct en-dash,em-dash instances in docstrings.
Rik <octave@nomad.inbox5.com>
parents:
11589
diff
changeset
|
69 ## Cubic spline interpolation---smooth first and second derivatives |
6702 | 70 ## throughout the curve. |
5837 | 71 ## @end table |
72 ## | |
19795
ca7599ae464d
doc: Grammarcheck documentation ahead of 4.0 release.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
73 ## @var{extrap} is a scalar number. It replaces values beyond the endpoints |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
74 ## with @var{extrap}. Note that if @var{extrapval} is used, @var{method} must |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
75 ## be specified as well. If @var{extrap} is omitted and the @var{method} is |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
76 ## @qcode{"spline"}, then the extrapolated values of the @qcode{"spline"} are |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
77 ## used. Otherwise the default @var{extrap} value for any other @var{method} |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
78 ## is @qcode{"NA"}. |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
79 ## @seealso{interp1, interp3, interpn, meshgrid} |
5837 | 80 ## @end deftypefn |
81 | |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
82 function ZI = interp2 (varargin) |
5837 | 83 |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
84 narginchk (1, 7); |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
85 nargs = nargin; |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
86 |
5838 | 87 Z = X = Y = XI = YI = n = []; |
5837 | 88 method = "linear"; |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
89 extrap = []; |
5837 | 90 |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
91 ## Check for method and extrap |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
92 if (nargs > 1 && ischar (varargin{end-1})) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
93 if (! isnumeric (varargin{end}) || ! isscalar (varargin{end})) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
94 error ("interp2: EXTRAP must be a numeric scalar"); |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
95 endif |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
96 extrap = varargin{end}; |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
97 method = varargin{end-1}; |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
98 nargs -= 2; |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
99 elseif (ischar (varargin{end})) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
100 method = varargin{end}; |
20735
418ae0cb752f
Replace ++,-- with in-place operators for performance.
Rik <rik@octave.org>
parents:
19833
diff
changeset
|
101 nargs -= 1; |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
102 endif |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
103 if (method(1) == "*") |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
104 warning ("interp2: ignoring unsupported '*' flag to METHOD"); |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
105 method(1) = []; |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
106 endif |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
107 method = validatestring (method, ... |
21173
5ecdcc6320d9
Fix regressions caused by ismatrix definition change (partial fix bug #47036).
Colin Macdonald <cbm@m.fsf.org>
parents:
19833
diff
changeset
|
108 {"nearest", "linear", "pchip", "cubic", "spline"}); |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
109 |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
110 ## Read numeric input |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
111 switch (nargs) |
5838 | 112 case 1 |
113 Z = varargin{1}; | |
13149
ab17591254fc
scripts/general/interp2.m: Fix bug #30295.
Ben Abbott <bpabbott@mac.com>
parents:
12175
diff
changeset
|
114 n = 1; |
5838 | 115 case 2 |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
116 [Z, n] = deal (varargin{1:nargs}); |
5838 | 117 case 3 |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
118 [Z, XI, YI] = deal (varargin{1:nargs}); |
5838 | 119 case 5 |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
120 [X, Y, Z, XI, YI] = deal (varargin{1:nargs}); |
5838 | 121 otherwise |
122 print_usage (); | |
5837 | 123 endswitch |
124 | |
18641
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
125 ## Type checking |
21173
5ecdcc6320d9
Fix regressions caused by ismatrix definition change (partial fix bug #47036).
Colin Macdonald <cbm@m.fsf.org>
parents:
19833
diff
changeset
|
126 if (! isnumeric (Z) || isscalar (Z) || ! ismatrix (Z)) |
18664
900b524d9072
interp2: Verify Z matrix is 2-D (bug #41267).
Rik <rik@octave.org>
parents:
18641
diff
changeset
|
127 error ("interp2: Z must be a 2-D matrix"); |
5837 | 128 endif |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
129 if (! isempty (n) && ! (isscalar (n) && n >= 0 && n == fix (n))) |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
130 error ("interp2: N must be an integer >= 0"); |
5837 | 131 endif |
132 | |
5838 | 133 ## Define X, Y, XI, YI if needed |
5837 | 134 [zr, zc] = size (Z); |
5838 | 135 if (isempty (X)) |
11587
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
11536
diff
changeset
|
136 X = 1:zc; |
5838 | 137 Y = 1:zr; |
5837 | 138 endif |
5838 | 139 if (! isnumeric (X) || ! isnumeric (Y)) |
11587
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
11536
diff
changeset
|
140 error ("interp2: X, Y must be numeric matrices"); |
5837 | 141 endif |
5838 | 142 if (! isempty (n)) |
13149
ab17591254fc
scripts/general/interp2.m: Fix bug #30295.
Ben Abbott <bpabbott@mac.com>
parents:
12175
diff
changeset
|
143 ## Calculate the interleaved input vectors. |
11587
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
11536
diff
changeset
|
144 p = 2^n; |
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
11536
diff
changeset
|
145 XI = (p:p*zc)/p; |
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
11536
diff
changeset
|
146 YI = (p:p*zr)'/p; |
5837 | 147 endif |
5838 | 148 if (! isnumeric (XI) || ! isnumeric (YI)) |
11587
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
11536
diff
changeset
|
149 error ("interp2: XI, YI must be numeric"); |
5837 | 150 endif |
151 | |
18641
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
152 if (isvector (X) && isvector (Y)) |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
153 X = X(:); Y = Y(:); |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
154 elseif (size_equal (X, Y)) |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
155 X = X(1,:).'; Y = Y(:,1); |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
156 else |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
157 error ("interp2: X and Y must be matrices of equal size"); |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
158 endif |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
159 if (columns (Z) != length (X) || rows (Z) != length (Y)) |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
160 error ("interp2: X and Y size must match the dimensions of Z"); |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
161 endif |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
162 dx = diff (X); |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
163 if (all (dx < 0)) |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
164 X = flipud (X); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19596
diff
changeset
|
165 Z = fliplr (Z); |
18641
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
166 elseif (any (dx <= 0)) |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
167 error ("interp2: X must be strictly monotonic"); |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
168 endif |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
169 dy = diff (Y); |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
170 if (all (dy < 0)) |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
171 Y = flipud (Y); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19596
diff
changeset
|
172 Z = flipud (Z); |
18641
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
173 elseif (any (dy <= 0)) |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
174 error ("interp2: Y must be strictly monotonic"); |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
175 endif |
6702 | 176 |
18641
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
177 if (any (strcmp (method, {"nearest", "linear", "pchip", "cubic"}))) |
6702 | 178 |
179 ## If Xi and Yi are vectors of different orientation build a grid | |
22729 | 180 if ((isrow (XI) && iscolumn (YI)) || (iscolumn (XI) && isrow (YI))) |
6702 | 181 [XI, YI] = meshgrid (XI, YI); |
182 elseif (! size_equal (XI, YI)) | |
11472
1740012184f9
Use uppercase for variable names in error() strings to match Info documentation. Only m-files done.
Rik <octave@nomad.inbox5.com>
parents:
11108
diff
changeset
|
183 error ("interp2: XI and YI must be matrices of equal size"); |
6702 | 184 endif |
5837 | 185 |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
186 ## if XI, YI are vectors, X and Y should share their orientation. |
22729 | 187 if (isrow (XI)) |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
188 if (rows (X) != 1) |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
189 X = X.'; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
190 endif |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
191 if (rows (Y) != 1) |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
192 Y = Y.'; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
193 endif |
22729 | 194 elseif (iscolumn (XI)) |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
195 if (columns (X) != 1) |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
196 X = X.'; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
197 endif |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
198 if (columns (Y) != 1) |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
199 Y = Y.'; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
200 endif |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
201 endif |
6702 | 202 |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
203 xidx = lookup (X, XI, "lr"); |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
204 yidx = lookup (Y, YI, "lr"); |
5837 | 205 |
6702 | 206 if (strcmp (method, "linear")) |
207 ## each quad satisfies the equation z(x,y)=a+b*x+c*y+d*xy | |
208 ## | |
209 ## a-b | |
210 ## | | | |
211 ## c-d | |
212 a = Z(1:(zr - 1), 1:(zc - 1)); | |
213 b = Z(1:(zr - 1), 2:zc) - a; | |
214 c = Z(2:zr, 1:(zc - 1)) - a; | |
215 d = Z(2:zr, 2:zc) - a - b - c; | |
5837 | 216 |
6702 | 217 ## scale XI, YI values to a 1-spaced grid |
10326
ade59ae10e80
slight optimization in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
10320
diff
changeset
|
218 Xsc = (XI - X(xidx)) ./ (diff (X)(xidx)); |
ade59ae10e80
slight optimization in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
10320
diff
changeset
|
219 Ysc = (YI - Y(yidx)) ./ (diff (Y)(yidx)); |
6702 | 220 |
10328
2210d3070543
further memory optimization in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
10326
diff
changeset
|
221 ## Get 2D index. |
2210d3070543
further memory optimization in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
10326
diff
changeset
|
222 idx = sub2ind (size (a), yidx, xidx); |
22727
125391edc71b
interp2.m: Re-orient vector/vector indexing in "linear" to fix output sizie (bug #49506).
Rik <rik@octave.org>
parents:
22489
diff
changeset
|
223 ## Dispose of the 1D indices at this point to save memory. |
11589
b0084095098e
missing semicolons in script files
John W. Eaton <jwe@octave.org>
parents:
11587
diff
changeset
|
224 clear xidx yidx; |
10328
2210d3070543
further memory optimization in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
10326
diff
changeset
|
225 |
22727
125391edc71b
interp2.m: Re-orient vector/vector indexing in "linear" to fix output sizie (bug #49506).
Rik <rik@octave.org>
parents:
22489
diff
changeset
|
226 ## Apply plane equation |
125391edc71b
interp2.m: Re-orient vector/vector indexing in "linear" to fix output sizie (bug #49506).
Rik <rik@octave.org>
parents:
22489
diff
changeset
|
227 ## Handle case where idx and coefficients are both vectors and resulting |
125391edc71b
interp2.m: Re-orient vector/vector indexing in "linear" to fix output sizie (bug #49506).
Rik <rik@octave.org>
parents:
22489
diff
changeset
|
228 ## coeff(idx) follows orientation of coeff, rather than that of idx. |
125391edc71b
interp2.m: Re-orient vector/vector indexing in "linear" to fix output sizie (bug #49506).
Rik <rik@octave.org>
parents:
22489
diff
changeset
|
229 forient = @(x) reshape (x, size (idx)); |
125391edc71b
interp2.m: Re-orient vector/vector indexing in "linear" to fix output sizie (bug #49506).
Rik <rik@octave.org>
parents:
22489
diff
changeset
|
230 ZI = forient (a(idx)) ... |
125391edc71b
interp2.m: Re-orient vector/vector indexing in "linear" to fix output sizie (bug #49506).
Rik <rik@octave.org>
parents:
22489
diff
changeset
|
231 + forient (b(idx)) .* Xsc ... |
125391edc71b
interp2.m: Re-orient vector/vector indexing in "linear" to fix output sizie (bug #49506).
Rik <rik@octave.org>
parents:
22489
diff
changeset
|
232 + forient (c(idx)) .* Ysc ... |
125391edc71b
interp2.m: Re-orient vector/vector indexing in "linear" to fix output sizie (bug #49506).
Rik <rik@octave.org>
parents:
22489
diff
changeset
|
233 + forient (d(idx)) .* Xsc.*Ysc; |
5837 | 234 |
6702 | 235 elseif (strcmp (method, "nearest")) |
10427
62bb59f927b1
scripts/general/interp2.m, scripts/general/interpn.m: For nearest neighbour interpolation ceil (instead of floor) at the center of the data intervals to be compatible with Matlab. Add test.
Soren Hauberg <hauberg@gmail.com>
parents:
10328
diff
changeset
|
236 ii = (XI - X(xidx) >= X(xidx + 1) - XI); |
62bb59f927b1
scripts/general/interp2.m, scripts/general/interpn.m: For nearest neighbour interpolation ceil (instead of floor) at the center of the data intervals to be compatible with Matlab. Add test.
Soren Hauberg <hauberg@gmail.com>
parents:
10328
diff
changeset
|
237 jj = (YI - Y(yidx) >= Y(yidx + 1) - YI); |
6702 | 238 idx = sub2ind (size (Z), yidx+jj, xidx+ii); |
239 ZI = Z(idx); | |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
240 |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
241 elseif (strcmp (method, "pchip") || strcmp (method, "cubic")) |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
242 |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
243 if (length (X) < 2 || length (Y) < 2) |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
244 error ("interp2: %s requires at least 2 points in each dimension", |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
245 method); |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
246 endif |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
247 |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
248 ## first order derivatives |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
249 DX = __pchip_deriv__ (X, Z, 2); |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
250 DY = __pchip_deriv__ (Y, Z, 1); |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
251 ## Compute mixed derivatives row-wise and column-wise, use the average. |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
252 DXY = (__pchip_deriv__ (X, DY, 2) + __pchip_deriv__ (Y, DX, 1))/2; |
11587
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
11536
diff
changeset
|
253 |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
254 ## do the bicubic interpolation |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
255 hx = diff (X); hx = hx(xidx); |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
256 hy = diff (Y); hy = hy(yidx); |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
257 |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
258 tx = (XI - X(xidx)) ./ hx; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
259 ty = (YI - Y(yidx)) ./ hy; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
260 |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
261 ## construct the cubic hermite base functions in x, y |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
262 |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
263 ## formulas: |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
264 ## b{1,1} = ( 2*t.^3 - 3*t.^2 + 1); |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
265 ## b{2,1} = h.*( t.^3 - 2*t.^2 + t ); |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
266 ## b{1,2} = (-2*t.^3 + 3*t.^2 ); |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
267 ## b{2,2} = h.*( t.^3 - t.^2 ); |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
268 |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
269 ## optimized equivalents of the above: |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
270 t1 = tx.^2; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
271 t2 = tx.*t1 - t1; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
272 xb{2,2} = hx.*t2; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
273 t1 = t2 - t1; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
274 xb{2,1} = hx.*(t1 + tx); |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
275 t2 += t1; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
276 xb{1,2} = -t2; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
277 xb{1,1} = t2 + 1; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
278 |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
279 t1 = ty.^2; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
280 t2 = ty.*t1 - t1; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
281 yb{2,2} = hy.*t2; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
282 t1 = t2 - t1; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
283 yb{2,1} = hy.*(t1 + ty); |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
284 t2 += t1; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
285 yb{1,2} = -t2; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
286 yb{1,1} = t2 + 1; |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
287 |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
288 ZI = zeros (size (XI)); |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
289 for i = 1:2 |
10549 | 290 for j = 1:2 |
291 zidx = sub2ind (size (Z), yidx+(j-1), xidx+(i-1)); | |
292 ZI += xb{1,i} .* yb{1,j} .* Z(zidx); | |
293 ZI += xb{2,i} .* yb{1,j} .* DX(zidx); | |
294 ZI += xb{1,i} .* yb{2,j} .* DY(zidx); | |
295 ZI += xb{2,i} .* yb{2,j} .* DXY(zidx); | |
296 endfor | |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
297 endfor |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
298 |
6702 | 299 endif |
5837 | 300 |
6702 | 301 else |
5837 | 302 |
10780
6e7590d003dc
Fix bugs in interp2 (bug #29601)
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
10635
diff
changeset
|
303 ## Check dimensions of XI and YI |
13149
ab17591254fc
scripts/general/interp2.m: Fix bug #30295.
Ben Abbott <bpabbott@mac.com>
parents:
12175
diff
changeset
|
304 if (isvector (XI) && isvector (YI) && ! size_equal (XI, YI)) |
18641
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
305 XI = XI(:).'; YI = YI(:); |
6702 | 306 elseif (! size_equal (XI, YI)) |
11472
1740012184f9
Use uppercase for variable names in error() strings to match Info documentation. Only m-files done.
Rik <octave@nomad.inbox5.com>
parents:
11108
diff
changeset
|
307 error ("interp2: XI and YI must be matrices of equal size"); |
6702 | 308 endif |
5837 | 309 |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
310 if (strcmp (method, "spline")) |
9755
4f4873f6f873
general/interp2.m: improved error checking and support for bicubic interpolation when X and Y are meshgrid format
Soren Hauberg <hauberg@gmail.com>
parents:
9399
diff
changeset
|
311 if (isgriddata (XI) && isgriddata (YI')) |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
312 ZI = __splinen__ ({Y, X}, Z, {YI(:,1), XI(1,:)}, extrap, "spline"); |
9755
4f4873f6f873
general/interp2.m: improved error checking and support for bicubic interpolation when X and Y are meshgrid format
Soren Hauberg <hauberg@gmail.com>
parents:
9399
diff
changeset
|
313 else |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
314 error ("interp2: XI, YI must have uniform spacing ('meshgrid' format)"); |
9755
4f4873f6f873
general/interp2.m: improved error checking and support for bicubic interpolation when X and Y are meshgrid format
Soren Hauberg <hauberg@gmail.com>
parents:
9399
diff
changeset
|
315 endif |
6702 | 316 endif |
5837 | 317 |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
318 return; # spline doesn't need NA extrapolation value (MATLAB compatibility) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
319 |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
320 endif |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
321 |
19833
9fc020886ae9
maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
19795
diff
changeset
|
322 ## extrapolation 'extrap' |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
323 if (isempty (extrap)) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
324 extrap = NA; |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
325 endif |
19833
9fc020886ae9
maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
19795
diff
changeset
|
326 |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
327 if (X(1) < X(end)) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
328 if (Y(1) < Y(end)) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
329 ZI(XI < X(1,1) | XI > X(end) | YI < Y(1,1) | YI > Y(end)) = extrap; |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
330 else |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
331 ZI(XI < X(1) | XI > X(end) | YI < Y(end) | YI > Y(1)) = extrap; |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
332 endif |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
333 else |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
334 if (Y(1) < Y(end)) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
335 ZI(XI < X(end) | XI > X(1) | YI < Y(1) | YI > Y(end)) = extrap; |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
336 else |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
337 ZI(XI < X(1,end) | XI > X(1) | YI < Y(end) | YI > Y(1)) = extrap; |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
338 endif |
6702 | 339 endif |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
340 |
5837 | 341 endfunction |
342 | |
9755
4f4873f6f873
general/interp2.m: improved error checking and support for bicubic interpolation when X and Y are meshgrid format
Soren Hauberg <hauberg@gmail.com>
parents:
9399
diff
changeset
|
343 function b = isgriddata (X) |
4f4873f6f873
general/interp2.m: improved error checking and support for bicubic interpolation when X and Y are meshgrid format
Soren Hauberg <hauberg@gmail.com>
parents:
9399
diff
changeset
|
344 d1 = diff (X, 1, 1); |
22729 | 345 b = ! any (d1(:) != 0); |
9755
4f4873f6f873
general/interp2.m: improved error checking and support for bicubic interpolation when X and Y are meshgrid format
Soren Hauberg <hauberg@gmail.com>
parents:
9399
diff
changeset
|
346 endfunction |
4f4873f6f873
general/interp2.m: improved error checking and support for bicubic interpolation when X and Y are meshgrid format
Soren Hauberg <hauberg@gmail.com>
parents:
9399
diff
changeset
|
347 |
4f4873f6f873
general/interp2.m: improved error checking and support for bicubic interpolation when X and Y are meshgrid format
Soren Hauberg <hauberg@gmail.com>
parents:
9399
diff
changeset
|
348 |
5837 | 349 %!demo |
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
350 %! clf; |
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
351 %! colormap ("default"); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
352 %! A = [13,-1,12;5,4,3;1,6,2]; |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
353 %! x = [0,1,4]; y = [10,11,12]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
354 %! xi = linspace (min (x), max (x), 17); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
355 %! yi = linspace (min (y), max (y), 26)'; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
356 %! mesh (xi,yi,interp2 (x,y,A,xi,yi, "linear")); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
357 %! [x,y] = meshgrid (x,y); |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
358 %! hold on; plot3 (x,y,A,"b*"); hold off; |
5837 | 359 |
360 %!demo | |
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
361 %! clf; |
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
362 %! colormap ("default"); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
363 %! [x,y,A] = peaks (10); |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
364 %! x = x(1,:)'; y = y(:,1); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
365 %! xi = linspace (min (x), max (x), 41); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
366 %! yi = linspace (min (y), max (y), 41)'; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
367 %! mesh (xi,yi,interp2 (x,y,A,xi,yi, "linear")); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
368 %! [x,y] = meshgrid (x,y); |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
369 %! hold on; plot3 (x,y,A,"b*"); hold off; |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
370 |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
371 %!demo |
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
372 %! clf; |
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
373 %! colormap ("default"); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
374 %! A = [13,-1,12;5,4,3;1,6,2]; |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
375 %! x = [0,1,4]; y = [10,11,12]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
376 %! xi = linspace (min (x), max (x), 17); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
377 %! yi = linspace (min (y), max (y), 26)'; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
378 %! mesh (xi,yi,interp2 (x,y,A,xi,yi, "nearest")); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
379 %! [x,y] = meshgrid (x,y); |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
380 %! hold on; plot3 (x,y,A,"b*"); hold off; |
5837 | 381 |
6702 | 382 %!demo |
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
383 %! clf; |
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
384 %! colormap ("default"); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
385 %! [x,y,A] = peaks (10); |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
386 %! x = x(1,:)'; y = y(:,1); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
387 %! xi = linspace (min (x), max (x), 41); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
388 %! yi = linspace (min (y), max (y), 41)'; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
389 %! mesh (xi,yi,interp2 (x,y,A,xi,yi, "nearest")); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
390 %! [x,y] = meshgrid (x,y); |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
391 %! hold on; plot3 (x,y,A,"b*"); hold off; |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
392 |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
393 ## 'pchip' commented out since it is the same as 'cubic' |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
394 %!#demo |
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
395 %! clf; |
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
396 %! colormap ("default"); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
397 %! A = [13,-1,12;5,4,3;1,6,2]; |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
398 %! x = [0,1,2]; y = [10,11,12]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
399 %! xi = linspace (min (x), max (x), 17); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
400 %! yi = linspace (min (y), max (y), 26)'; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
401 %! mesh (xi,yi,interp2 (x,y,A,xi,yi, "pchip")); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
402 %! [x,y] = meshgrid (x,y); |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
403 %! hold on; plot3 (x,y,A,"b*"); hold off; |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
404 |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
405 ## 'pchip' commented out since it is the same as 'cubic' |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
406 %!#demo |
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
407 %! clf; |
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
408 %! colormap ("default"); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
409 %! [x,y,A] = peaks (10); |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
410 %! x = x(1,:)'; y = y(:,1); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
411 %! xi = linspace (min (x), max (x), 41); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
412 %! yi = linspace (min (y), max (y), 41)'; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
413 %! mesh (xi,yi,interp2 (x,y,A,xi,yi, "pchip")); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
414 %! [x,y] = meshgrid (x,y); |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
415 %! hold on; plot3 (x,y,A,"b*"); hold off; |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
416 |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
417 %!demo |
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
418 %! clf; |
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
419 %! colormap ("default"); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
420 %! A = [13,-1,12;5,4,3;1,6,2]; |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
421 %! x = [0,1,2]; y = [10,11,12]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
422 %! xi = linspace (min (x), max (x), 17); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
423 %! yi = linspace (min (y), max (y), 26)'; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
424 %! mesh (xi,yi,interp2 (x,y,A,xi,yi, "cubic")); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
425 %! [x,y] = meshgrid (x,y); |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
426 %! hold on; plot3 (x,y,A,"b*"); hold off; |
5837 | 427 |
6702 | 428 %!demo |
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
429 %! clf; |
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
430 %! colormap ("default"); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
431 %! [x,y,A] = peaks (10); |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
432 %! x = x(1,:)'; y = y(:,1); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
433 %! xi = linspace (min (x), max (x), 41); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
434 %! yi = linspace (min (y), max (y), 41)'; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
435 %! mesh (xi,yi,interp2 (x,y,A,xi,yi, "cubic")); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
436 %! [x,y] = meshgrid (x,y); |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
437 %! hold on; plot3 (x,y,A,"b*"); hold off; |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
438 |
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
439 %!demo |
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
440 %! clf; |
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
441 %! colormap ("default"); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
442 %! A = [13,-1,12;5,4,3;1,6,2]; |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
443 %! x = [0,1,2]; y = [10,11,12]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
444 %! xi = linspace (min (x), max (x), 17); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
445 %! yi = linspace (min (y), max (y), 26)'; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
446 %! mesh (xi,yi,interp2 (x,y,A,xi,yi, "spline")); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
447 %! [x,y] = meshgrid (x,y); |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
448 %! hold on; plot3 (x,y,A,"b*"); hold off; |
6702 | 449 |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
450 %!demo |
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
451 %! clf; |
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
452 %! colormap ("default"); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
453 %! [x,y,A] = peaks (10); |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
454 %! x = x(1,:)'; y = y(:,1); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
455 %! xi = linspace (min (x), max (x), 41); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
456 %! yi = linspace (min (y), max (y), 41)'; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
457 %! mesh (xi,yi,interp2 (x,y,A,xi,yi, "spline")); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
458 %! [x,y] = meshgrid (x,y); |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
459 %! hold on; plot3 (x,y,A,"b*"); hold off; |
8712
010e15c7be9a
support pchip method in interp2
Jaroslav Hajek <highegg@gmail.com>
parents:
8479
diff
changeset
|
460 |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
461 %!test # simple test |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
462 %! x = [1,2,3]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
463 %! y = [4,5,6,7]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
464 %! [X, Y] = meshgrid (x, y); |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
465 %! orig = X.^2 + Y.^3; |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
466 %! xi = [1.2,2, 1.5]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
467 %! yi = [6.2, 4.0, 5.0]'; |
5837 | 468 %! |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
469 %! expected = ... |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
470 %! [243, 245.4, 243.9; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
471 %! 65.6, 68, 66.5; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
472 %! 126.6, 129, 127.5]; |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
473 %! result = interp2 (x,y,orig, xi, yi); |
5837 | 474 %! |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
475 %! assert (result, expected, 1000*eps); |
5837 | 476 |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
477 %!test # 2^n refinement form |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
478 %! x = [1,2,3]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
479 %! y = [4,5,6,7]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
480 %! [X, Y] = meshgrid (x, y); |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
481 %! orig = X.^2 + Y.^3; |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
482 %! xi = [1:0.25:3]; yi = [4:0.25:7]'; |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
483 %! expected = interp2 (x,y,orig, xi, yi); |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
484 %! result = interp2 (orig, 2); |
11587
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
11536
diff
changeset
|
485 %! |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
486 %! assert (result, expected, 10*eps); |
5837 | 487 |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
488 %!test # matrix slice |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
489 %! A = eye (4); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
490 %! assert (interp2 (A,[1:4],[1:4]), [1,1,1,1]); |
5837 | 491 |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
492 %!test # non-gridded XI,YI |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
493 %! A = eye (4); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
494 %! assert (interp2 (A,[1,2;3,4],[1,3;2,4]), [1,0;0,1]); |
5837 | 495 |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
496 %!test # for values outside of boundaries |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
497 %! x = [1,2,3]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
498 %! y = [4,5,6,7]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
499 %! [X, Y] = meshgrid (x,y); |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
500 %! orig = X.^2 + Y.^3; |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
501 %! xi = [0,4]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
502 %! yi = [3,8]'; |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
503 %! assert (interp2 (x,y,orig, xi, yi), [NA,NA;NA,NA]); |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
504 %! assert (interp2 (x,y,orig, xi, yi,"linear", 0), [0,0;0,0]); |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
505 %! assert (interp2 (x,y,orig, xi, yi,"linear", 2), [2,2;2,2]); |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
506 %! assert (interp2 (x,y,orig, xi, yi,"spline", 2), [2,2;2,2]); |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
507 %! assert (interp2 (x,y,orig, xi, yi,"linear", 0+1i), [0+1i,0+1i;0+1i,0+1i]); |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
508 %! assert (interp2 (x,y,orig, xi, yi,"spline"), [27,43;512,528]); |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
509 |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
510 %!test # for values at boundaries |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
511 %! A = [1,2;3,4]; |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
512 %! x = [0,1]; |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
513 %! y = [2,3]'; |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
514 %! assert (interp2 (x,y,A,x,y,"linear"), A); |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
515 %! assert (interp2 (x,y,A,x,y,"nearest"), A); |
5837 | 516 |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
517 %!test # for Matlab-compatible rounding for 'nearest' |
10427
62bb59f927b1
scripts/general/interp2.m, scripts/general/interpn.m: For nearest neighbour interpolation ceil (instead of floor) at the center of the data intervals to be compatible with Matlab. Add test.
Soren Hauberg <hauberg@gmail.com>
parents:
10328
diff
changeset
|
518 %! X = meshgrid (1:4); |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
519 %! assert (interp2 (X, 2.5, 2.5, "nearest"), 3); |
10427
62bb59f927b1
scripts/general/interp2.m, scripts/general/interpn.m: For nearest neighbour interpolation ceil (instead of floor) at the center of the data intervals to be compatible with Matlab. Add test.
Soren Hauberg <hauberg@gmail.com>
parents:
10328
diff
changeset
|
520 |
22489
93ea313301f9
test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents:
21317
diff
changeset
|
521 ## re-order monotonically decreasing |
23572
0703d31e1ec0
new script for updating test status for fixed bugs
John W. Eaton <jwe@octave.org>
parents:
23571
diff
changeset
|
522 %!assert <41838> (interp2 ([1 2 3], [3 2 1], magic (3), 2.5, 3), 3.5) |
0703d31e1ec0
new script for updating test status for fixed bugs
John W. Eaton <jwe@octave.org>
parents:
23571
diff
changeset
|
523 %!assert <41838> (interp2 ([3 2 1], [1 2 3], magic (3), 1.5, 1), 3.5) |
18641
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
524 |
22727
125391edc71b
interp2.m: Re-orient vector/vector indexing in "linear" to fix output sizie (bug #49506).
Rik <rik@octave.org>
parents:
22489
diff
changeset
|
525 ## Linear interpretation with vector XI doesn't lead to matrix output |
23572
0703d31e1ec0
new script for updating test status for fixed bugs
John W. Eaton <jwe@octave.org>
parents:
23571
diff
changeset
|
526 %!assert <49506> (interp2 ([2 3], [2 3 4], [1 2; 3 4; 5 6], [2 3], 3, "linear"), [3 4]) |
22727
125391edc71b
interp2.m: Re-orient vector/vector indexing in "linear" to fix output sizie (bug #49506).
Rik <rik@octave.org>
parents:
22489
diff
changeset
|
527 |
13149
ab17591254fc
scripts/general/interp2.m: Fix bug #30295.
Ben Abbott <bpabbott@mac.com>
parents:
12175
diff
changeset
|
528 %!shared z, zout, tol |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
529 %! z = [1 3 5; 3 5 7; 5 7 9]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
530 %! zout = [1 2 3 4 5; 2 3 4 5 6; 3 4 5 6 7; 4 5 6 7 8; 5 6 7 8 9]; |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
531 %! tol = 2 * eps; |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
532 %! |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
533 %!assert (interp2 (z), zout, tol) |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
534 %!assert (interp2 (z, "linear"), zout, tol) |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
535 %!assert (interp2 (z, "pchip"), zout, tol) |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
536 %!assert (interp2 (z, "cubic"), zout, 10 * tol) |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
537 %!assert (interp2 (z, "spline"), zout, tol) |
19593
446c46af4b42
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
17744
diff
changeset
|
538 %!assert (interp2 (z, [2 3 1], [2 2 2]', "linear"), repmat ([5, 7, 3], [3, 1]), tol) |
446c46af4b42
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
17744
diff
changeset
|
539 %!assert (interp2 (z, [2 3 1], [2 2 2]', "pchip"), repmat ([5, 7, 3], [3, 1]), tol) |
446c46af4b42
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
17744
diff
changeset
|
540 %!assert (interp2 (z, [2 3 1], [2 2 2]', "cubic"), repmat ([5, 7, 3], [3, 1]), 10 * tol) |
446c46af4b42
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
17744
diff
changeset
|
541 %!assert (interp2 (z, [2 3 1], [2 2 2]', "spline"), repmat ([5, 7, 3], [3, 1]), tol) |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
542 %!assert (interp2 (z, [2 3 1], [2 2 2], "linear"), [5 7 3], tol) |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
543 %!assert (interp2 (z, [2 3 1], [2 2 2], "pchip"), [5 7 3], tol) |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
544 %!assert (interp2 (z, [2 3 1], [2 2 2], "cubic"), [5 7 3], 10 * tol) |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
545 %!assert (interp2 (z, [2 3 1], [2 2 2], "spline"), [5 7 3], tol) |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14359
diff
changeset
|
546 |
19833
9fc020886ae9
maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
19795
diff
changeset
|
547 ## Test input validation |
21173
5ecdcc6320d9
Fix regressions caused by ismatrix definition change (partial fix bug #47036).
Colin Macdonald <cbm@m.fsf.org>
parents:
19833
diff
changeset
|
548 %!error interp2 (1, 1, 1, 1, 1, 2) # only 5 numeric inputs |
5ecdcc6320d9
Fix regressions caused by ismatrix definition change (partial fix bug #47036).
Colin Macdonald <cbm@m.fsf.org>
parents:
19833
diff
changeset
|
549 %!error interp2 (1, 1, 1, 1, 1, 2, 2) # only 5 numeric inputs |
18664
900b524d9072
interp2: Verify Z matrix is 2-D (bug #41267).
Rik <rik@octave.org>
parents:
18641
diff
changeset
|
550 %!error <Z must be a 2-D matrix> interp2 ({1}) |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
551 %!error <Z must be a 2-D matrix> interp2 (1,1,1) |
18664
900b524d9072
interp2: Verify Z matrix is 2-D (bug #41267).
Rik <rik@octave.org>
parents:
18641
diff
changeset
|
552 %!error <Z must be a 2-D matrix> interp2 (ones (2,2,2)) |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
553 %!error <N must be an integer .= 0> interp2 (ones (2), ones (2)) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
554 %!error <N must be an integer .= 0> interp2 (ones (2), -1) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
555 %!error <N must be an integer .= 0> interp2 (ones (2), 1.5) |
18641
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
556 %!warning <ignoring unsupported '\*' flag> interp2 (rand (3,3), 1, "*linear"); |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
557 %!error <EXTRAP must be a numeric scalar> interp2 (1, 1, 1, 1, 1, 'linear', {1}) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
558 %!error <EXTRAP must be a numeric scalar> interp2 (1, 1, 1, 1, 1, 'linear', ones (2,2)) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
559 %!error <EXTRAP must be a numeric scalar> interp2 (1, 1, 1, 1, 1, 'linear', "abc") |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
560 %!error <EXTRAP must be a numeric scalar> interp2 (1, 1, 1, 1, 1, 'linear', "extrap") |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
561 %!error <X, Y must be numeric matrices> interp2 ({1}, 1, ones (2), 1, 1) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
562 %!error <X, Y must be numeric matrices> interp2 (1, {1}, ones (2), 1, 1) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
563 %!error <XI, YI must be numeric> interp2 (1, 1, ones (2), {1}, 1) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
564 %!error <XI, YI must be numeric> interp2 (1, 1, ones (2), 1, {1}) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
565 %!error <X and Y must be matrices of equal size> interp2 (ones(2,2), 1, ones (2), 1, 1) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
566 %!error <X and Y must be matrices of equal size> interp2 (ones(2,2), ones(2,3), ones (2), 1, 1) |
18606
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
567 %!error <X and Y size must match the dimensions of Z> interp2 (1:3, 1:3, ones (3,2), 1, 1) |
0ede4dbb37f1
Overhaul interp1, interp2, interp3 functions.
Rik <rik@octave.org>
parents:
18587
diff
changeset
|
568 %!error <X and Y size must match the dimensions of Z> interp2 (1:2, 1:2, ones (3,2), 1, 1) |
18641
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
569 %!error <X must be strictly monotonic> interp2 ([1 0 2], 1:3, ones (3,3), 1, 1) |
4792a115c735
interp2.m: Add input validation for strictly monotonic x,y (bug #41838).
Rik <rik@octave.org>
parents:
18606
diff
changeset
|
570 %!error <Y must be strictly monotonic> interp2 (1:3, [1 0 2], ones (3,3), 1, 1) |
19658
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
571 %!error <XI and YI must be matrices of equal size> interp2 (1:2, 1:2, ones (2), ones(2,2), 1) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
572 %!error <XI and YI must be matrices of equal size> interp2 (1:2, 1:2, ones (2), 1, ones(2,2)) |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
573 %!error <XI, YI must have uniform spacing> interp2 (1:2, 1:2, ones (2), [1 2 4], [1 2 3], "spline") |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
574 %!error <XI, YI must have uniform spacing> interp2 (1:2, 1:2, ones (2), [1 2 3], [1 2 4], "spline") |
5a59c0e1203d
Modified the "extrap" option for interp2, interp3, and interpn (bug #44002).
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
19597
diff
changeset
|
575 %!error interp2 (1, 1, 1, 1, 1, "foobar") |