octave: scripts/general/cart2sph.m annotate

annotate scripts/general/cart2sph.m @ 20158:7503499a252b stable

doc: Update docstrings to have one sentence summary as first line. Update scripts in audio, elfun, general, geometry, and image directories. * scripts/audio/@audioplayer/__get_properties__.m, scripts/audio/@audioplayer/audioplayer.m, scripts/audio/@audioplayer/get.m, scripts/audio/@audioplayer/isplaying.m, scripts/audio/@audioplayer/play.m, scripts/audio/@audioplayer/playblocking.m, scripts/audio/@audioplayer/set.m, scripts/audio/@audioplayer/subsasgn.m, scripts/audio/@audioplayer/subsref.m, scripts/audio/@audiorecorder/audiorecorder.m, scripts/audio/@audiorecorder/get.m, scripts/audio/@audiorecorder/getaudiodata.m, scripts/audio/@audiorecorder/getplayer.m, scripts/audio/@audiorecorder/isrecording.m, scripts/audio/@audiorecorder/play.m, scripts/audio/@audiorecorder/record.m, scripts/audio/@audiorecorder/recordblocking.m, scripts/audio/@audiorecorder/set.m, scripts/audio/@audiorecorder/stop.m, scripts/audio/@audiorecorder/subsasgn.m, scripts/audio/@audiorecorder/subsref.m, scripts/audio/lin2mu.m, scripts/audio/mu2lin.m, scripts/audio/record.m, scripts/audio/sound.m, scripts/audio/soundsc.m, scripts/audio/wavread.m, scripts/audio/wavwrite.m, scripts/elfun/cosd.m, scripts/elfun/sind.m, scripts/elfun/tand.m, scripts/general/accumarray.m, scripts/general/accumdim.m, scripts/general/bitcmp.m, scripts/general/bitget.m, scripts/general/bitset.m, scripts/general/blkdiag.m, scripts/general/cart2pol.m, scripts/general/cart2sph.m, scripts/general/cell2mat.m, scripts/general/celldisp.m, scripts/general/chop.m, scripts/general/circshift.m, scripts/general/common_size.m, scripts/general/cplxpair.m, scripts/general/cumtrapz.m, scripts/general/dblquad.m, scripts/general/deal.m, scripts/general/del2.m, scripts/general/display.m, scripts/general/divergence.m, scripts/general/fieldnames.m, scripts/general/flip.m, scripts/general/flipdim.m, scripts/general/fliplr.m, scripts/general/flipud.m, scripts/general/gradient.m, scripts/general/interp3.m, scripts/general/interpft.m, scripts/general/interpn.m, scripts/general/loadobj.m, scripts/general/logspace.m, scripts/general/methods.m, scripts/general/nargchk.m, scripts/general/narginchk.m, scripts/general/nargoutchk.m, scripts/general/nextpow2.m, scripts/general/nthargout.m, scripts/general/num2str.m, scripts/general/pol2cart.m, scripts/general/polyarea.m, scripts/general/postpad.m, scripts/general/prepad.m, scripts/general/profile.m, scripts/general/quadgk.m, scripts/general/quadl.m, scripts/general/quadv.m, scripts/general/randi.m, scripts/general/rat.m, scripts/general/repmat.m, scripts/general/rot90.m, scripts/general/rotdim.m, scripts/general/saveobj.m, scripts/general/shift.m, scripts/general/shiftdim.m, scripts/general/sortrows.m, scripts/general/sph2cart.m, scripts/general/structfun.m, scripts/general/subsindex.m, scripts/general/trapz.m, scripts/general/triplequad.m, scripts/geometry/delaunayn.m, scripts/geometry/dsearch.m, scripts/geometry/dsearchn.m, scripts/geometry/griddata.m, scripts/geometry/griddata3.m, scripts/geometry/griddatan.m, scripts/geometry/inpolygon.m, scripts/geometry/rectint.m, scripts/geometry/tsearchn.m, scripts/geometry/voronoi.m, scripts/geometry/voronoin.m, scripts/help/__unimplemented__.m, scripts/help/doc.m, scripts/help/doc_cache_create.m, scripts/help/get_first_help_sentence.m, scripts/help/help.m, scripts/help/lookfor.m, scripts/help/print_usage.m, scripts/help/type.m, scripts/help/which.m, scripts/image/autumn.m, scripts/image/bone.m, scripts/image/brighten.m, scripts/image/cmpermute.m, scripts/image/colorcube.m, scripts/image/contrast.m, scripts/image/cool.m, scripts/image/copper.m, scripts/image/cubehelix.m, scripts/image/flag.m, scripts/image/gmap40.m, scripts/image/gray.m, scripts/image/gray2ind.m, scripts/image/hot.m, scripts/image/hsv.m, scripts/image/image.m, scripts/image/imagesc.m, scripts/image/imfinfo.m, scripts/image/imformats.m, scripts/image/imread.m, scripts/image/imshow.m, scripts/image/imwrite.m, scripts/image/iscolormap.m, scripts/image/jet.m, scripts/image/lines.m, scripts/image/ntsc2rgb.m, scripts/image/ocean.m, scripts/image/pink.m, scripts/image/prism.m, scripts/image/rainbow.m, scripts/image/rgb2ntsc.m, scripts/image/spinmap.m, scripts/image/spring.m, scripts/image/summer.m, scripts/image/white.m, scripts/image/winter.m: Update docstrings to have one sentence summary as first line. Re-structure to have line lengths <= 80 chars.

author	Rik <rik@octave.org>
date	Sun, 03 May 2015 09:36:20 -0700
parents	4197fc428c7d
children	aa36fb998a4d

rev	line source
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	1 ## Copyright (C) 2000-2015 Kai Habel
3803 63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	2 ##
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	3 ## This file is part of Octave.
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	4 ##
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	5 ## Octave is free software; you can redistribute it and/or modify it
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	6 ## under the terms of the GNU General Public License as published by
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6786 diff changeset	7 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6786 diff changeset	8 ## your option) any later version.
3803 63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	9 ##
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	10 ## Octave is distributed in the hope that it will be useful, but
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	13 ## General Public License for more details.
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	14 ##
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	15 ## You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6786 diff changeset	16 ## along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6786 diff changeset	17 ## <http://www.gnu.org/licenses/>.
3803 63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	18
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	19 ## -- texinfo --
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	20 ## @deftypefn {Function File} {[@var{theta}, @var{phi}, @var{r}] =} cart2sph (@var{x}, @var{y}, @var{z})
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	21 ## @deftypefnx {Function File} {[@var{theta}, @var{phi}, @var{r}] =} cart2sph (@var{C})
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	22 ## @deftypefnx {Function File} {@var{S} =} cart2sph (@dots{})
20158 7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	23 ## Transform Cartesian coordinates to spherical coordinates.
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	24 ##
20158 7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	25 ## The inputs @var{x}, @var{y}, and @var{z} must be the same shape, or scalar.
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	26 ## If called with a single matrix argument then each row of @var{C} represents
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	27 ## the Cartesian coordinate (@var{x}, @var{y}, @var{z}).
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	28 ##
9168 742cf6388a8f Update section 17.7 (Coordinate Transformations) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	29 ## @var{theta} describes the angle relative to the positive x-axis.
20158 7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	30 ##
8491 aaff46fef256 [docs] fix hypenation: x - axis => x-axis, etc Brian Gough <bjg@gnu.org> parents: 7017 diff changeset	31 ## @var{phi} is the angle relative to the xy-plane.
20158 7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	32 ##
10687 a8ce6bdecce5 Improve documentation strings. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	33 ## @var{r} is the distance to the origin @w{(0, 0, 0)}.
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	34 ##
20158 7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	35 ## If only a single return argument is requested then return a matrix @var{S}
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	36 ## where each row represents one spherical coordinate
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	37 ## (@var{theta}, @var{phi}, @var{r}).
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	38 ## @seealso{sph2cart, cart2pol, pol2cart}
3803 63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	39 ## @end deftypefn
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	40
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	41 ## Author: Kai Habel <kai.habel@gmx.de>
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	42 ## Adapted-by: jwe
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	43
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	44 function [theta, phi, r] = cart2sph (x, y, z)
3803 63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	45
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	46 if (nargin != 1 && nargin != 3)
6046 34f96dd5441b [project @ 2006-10-10 16:10:25 by jwe] jwe parents: 5642 diff changeset	47 print_usage ();
3803 63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	48 endif
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	49
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	50 if (nargin == 1)
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	51 if (ismatrix (x) && columns (x) == 3)
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	52 z = x(:,3);
c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	53 y = x(:,2);
c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	54 x = x(:,1);
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	55 else
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	56 error ("cart2sph: matrix input must have 3 columns [X, Y, Z]");
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	57 endif
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	58 elseif (nargin == 3)
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	59 if (! ((ismatrix (x) && ismatrix (y) && ismatrix (z))
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	60 && (size_equal (x, y) \|\| isscalar (x) \|\| isscalar (y))
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	61 && (size_equal (x, z) \|\| isscalar (x) \|\| isscalar (z))
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	62 && (size_equal (y, z) \|\| isscalar (y) \|\| isscalar (z))))
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	63 error ("cart2sph: X, Y, Z must be matrices of the same size, or scalar");
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	64 endif
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	65 endif
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	66
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	67 theta = atan2 (y, x);
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	68 phi = atan2 (z, sqrt (x .^ 2 + y .^ 2));
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	69 r = sqrt (x .^ 2 + y .^ 2 + z .^ 2);
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	70
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	71 if (nargout <= 1)
17585 36b9fa789d8e Overhaul polar, spherical, cartesian conversion routiens when nargout == 1. Rik <rik@octave.org> parents: 14363 diff changeset	72 theta = [theta(:), phi(:), r(:)];
3803 63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	73 endif
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	74
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	75 endfunction
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	76
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	77
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	78 %!test
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	79 %! x = [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	80 %! y = [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	81 %! z = [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	82 %! [t, p, r] = cart2sph (x, y, z);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	83 %! assert (t, [0, pi/4, pi/4], eps);
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	84 %! assert (p, [0, 1, 1]*atan (sqrt (0.5)), eps);
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	85 %! assert (r, [0, 1, 2]*sqrt (3), eps);
3803 63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	86
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	87 %!test
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	88 %! x = 0;
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	89 %! y = [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	90 %! z = [0, 1, 2];
17585 36b9fa789d8e Overhaul polar, spherical, cartesian conversion routiens when nargout == 1. Rik <rik@octave.org> parents: 14363 diff changeset	91 %! S = cart2sph (x, y, z);
36b9fa789d8e Overhaul polar, spherical, cartesian conversion routiens when nargout == 1. Rik <rik@octave.org> parents: 14363 diff changeset	92 %! assert (S(:,1), [0; 1; 1] * pi/2, eps);
36b9fa789d8e Overhaul polar, spherical, cartesian conversion routiens when nargout == 1. Rik <rik@octave.org> parents: 14363 diff changeset	93 %! assert (S(:,2), [0; 1; 1] * pi/4, eps);
36b9fa789d8e Overhaul polar, spherical, cartesian conversion routiens when nargout == 1. Rik <rik@octave.org> parents: 14363 diff changeset	94 %! assert (S(:,3), [0; 1; 2] * sqrt (2), eps);
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	95
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	96 %!test
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	97 %! x = [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	98 %! y = 0;
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	99 %! z = [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	100 %! [t, p, r] = cart2sph (x, y, z);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	101 %! assert (t, [0, 0, 0]);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	102 %! assert (p, [0, 1, 1] * pi/4);
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	103 %! assert (r, [0, 1, 2] * sqrt (2));
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	104
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	105 %!test
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	106 %! x = [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	107 %! y = [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	108 %! z = 0;
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	109 %! [t, p, r] = cart2sph (x, y, z);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	110 %! assert (t, [0, 1, 1] * pi/4);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	111 %! assert (p, [0, 0, 0]);
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	112 %! assert (r, [0, 1, 2] * sqrt (2));
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8491 diff changeset	113
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	114 %!test
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	115 %! C = [0, 0, 0; 1, 0, 1; 2, 0, 2];
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 10687 diff changeset	116 %! S = [0, 0, 0; 0, pi/4, sqrt(2); 0, pi/4, 2*sqrt(2)];
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	117 %! assert (cart2sph (C), S, eps);
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	118

Mercurial > octave

annotate scripts/general/cart2sph.m @ 20158:7503499a252b stable