Mercurial > octave
annotate scripts/general/flipud.m @ 27898:4d6d21839dfd
remove Author: jwe and Adapted-by: jwe lines from source files
These lines have little meaning now in the age of modern version
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Files affected: url-transfer.cc, url-transfer.h, acot.m, acoth.m,
acsc.m, acsch.m, asec.m, asech.m, cot.m, coth.m, csc.m, csch.m, sec.m,
sech.m, cart2pol.m, cart2sph.m, deal.m, fliplr.m, flipud.m, int2str.m,
logspace.m, num2str.m, pol2cart.m, rot90.m, sortrows.m, sph2cart.m,
waitbar.m, doc.m, hsv2rgb.m, rgb2hsv.m, beep.m, isstr.m, setstr.m,
strmatch.m, cond.m, rank.m, trace.m, bug_report.m, cast.m, delete.m,
dir.m, list_primes.m, ls.m, ls_command.m, menu.m, pack.m, recycle.m,
substruct.m, version.m, glpk.m, axis.m, box.m, grid.m,
__axis_label__.m, text.m, title.m, view.m, xlabel.m, ylabel.m,
zlabel.m, bar.m, barh.m, comet3.m, hist.m, line.m, loglog.m, mesh.m,
patch.m, plot.m, polar.m, __bar__.m, __line__.m, __plt__.m,
__stem__.m, semilogx.m, semilogy.m, sombrero.m, stairs.m, stem.m,
surface.m, __default_plot_options__.m, __gnuplot_drawnow__.m,
__next_line_color__.m, __plt_get_axis_arg__.m, __pltopt__.m, clf.m,
closereq.m, gca.m, gnuplot_binary.in.m, isfigure.m, meshgrid.m,
__gnuplot_draw_axes__.m, __gnuplot_draw_figure__.m, shg.m, addpref.m,
getpref.m, ispref.m, loadprefs.m, prefsfile.m, saveprefs.m, rmpref.m,
setpref.m, ismember.m, setdiff.m, union.m, hankel.m, hilb.m, vander.m,
median.m, std.m, cstrcat.m, isletter.m, str2num.m, strcat.m,
oruntests.m, rundemos.m, asctime.m, clock.m, ctime.m, date.m, etime.m,
is_leap_year.m.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 02 Jan 2020 15:43:01 -0500 |
parents | 00f796120a6d |
children | b442ec6dda5c |
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1 ## Copyright (C) 1993-2019 John W. Eaton |
2313 | 2 ## |
3 ## This file is part of Octave. | |
4 ## | |
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5 ## Octave is free software: you can redistribute it and/or modify it |
2313 | 6 ## under the terms of the GNU General Public License as published by |
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7 ## the Free Software Foundation, either version 3 of the License, or |
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8 ## (at your option) any later version. |
2313 | 9 ## |
10 ## Octave is distributed in the hope that it will be useful, but | |
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 ## GNU General Public License for more details. |
2313 | 14 ## |
15 ## You should have received a copy of the GNU General Public License | |
7016 | 16 ## along with Octave; see the file COPYING. If not, see |
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17 ## <https://www.gnu.org/licenses/>. |
245 | 18 |
3369 | 19 ## -*- texinfo -*- |
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20 ## @deftypefn {} {} flipud (@var{x}) |
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21 ## Flip array upside down. |
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22 ## |
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23 ## Return a copy of @var{x} with the order of the rows reversed. In other |
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24 ## words, @var{x} is flipped upside-down about a horizontal axis. For example: |
3426 | 25 ## |
3369 | 26 ## @example |
27 ## @group | |
28 ## flipud ([1, 2; 3, 4]) | |
29 ## @result{} 3 4 | |
30 ## 1 2 | |
31 ## @end group | |
32 ## @end example | |
4869 | 33 ## |
19154 | 34 ## @seealso{fliplr, flip, rot90, rotdim} |
3369 | 35 ## @end deftypefn |
4 | 36 |
2311 | 37 function y = flipud (x) |
4 | 38 |
39 if (nargin != 1) | |
6046 | 40 print_usage (); |
4 | 41 endif |
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42 y = flip (x, 1); |
4 | 43 |
44 endfunction | |
7411 | 45 |
46 | |
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47 %!assert (flipud ([1, 2; 3, 4]), [3, 4; 1, 2]) |
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48 %!assert (flipud ([1, 2; 3, 4; 5, 6]), [5, 6; 3, 4; 1, 2]) |
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49 %!assert (flipud ([1, 2, 3; 4, 5, 6]), [4, 5, 6; 1, 2, 3]) |
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50 %!assert (flipud ([1 2 3]), [1 2 3]) |
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51 |
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52 ## Test NDArrays |
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53 %!test |
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54 %! a(:,:,1) = [ 1 2 3; 4 5 6]; |
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55 %! a(:,:,2) = [ 7 8 9; 10 11 12]; |
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56 %! b(:,:,1) = [ 4 5 6; 1 2 3]; |
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57 %! b(:,:,2) = [10 11 12; 7 8 9]; |
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58 %! assert (flipud (a), b); |
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59 |
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60 ## Test NDArray with singleton dimensions |
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61 %!test |
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62 %! a(:,:,:,1) = [ 1 2 3; 4 5 6]; |
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63 %! a(:,:,:,2) = [ 7 8 9; 10 11 12]; |
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64 %! b(:,:,:,1) = [ 4 5 6; 1 2 3]; |
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65 %! b(:,:,:,2) = [10 11 12; 7 8 9]; |
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66 %! assert (flipud (a), b); |
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67 |
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68 ## Test for 1 row, i.e., returns the same |
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69 %!test |
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70 %! a(1,:,:,1) = [ 1 2 3 4]; |
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71 %! a(1,:,:,2) = [ 5 6 7 8]; |
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72 %! assert (flipud (a), a); |
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74 %!error flipud () |
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75 %!error flipud (1, 2) |