octave-nkf: scripts/general/pol2cart.m annotate

annotate scripts/general/pol2cart.m @ 14570:d07d96e53612 stable

seconds after the minute can be 0-60, not 0-61 * system.txi (Timing Utilities): Correct possible values for number of seconds in time structures. From Rafael Arndt <rafaelarndt@gmail.com>.

author	John W. Eaton <jwe@octave.org>
date	Tue, 17 Apr 2012 14:42:49 -0400
parents	72c96de7a403
children	f3d52523cde1

rev	line source
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 11587 diff changeset	1 ## Copyright (C) 2000-2012 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: 6898 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: 6898 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: 6898 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: 6898 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: 9168 diff changeset	20 ## @deftypefn {Function File} {[@var{x}, @var{y}] =} pol2cart (@var{theta}, @var{r})
5610 9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman] dbateman parents: 5307 diff changeset	21 ## @deftypefnx {Function File} {[@var{x}, @var{y}, @var{z}] =} pol2cart (@var{theta}, @var{r}, @var{z})
10793 be55736a0783 Grammarcheck the documentation from m-files. Rik <octave@nomad.inbox5.com> parents: 10688 diff changeset	22 ## @deftypefnx {Function File} {[@var{x}, @var{y}] =} pol2cart (@var{p})
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	23 ## @deftypefnx {Function File} {[@var{x}, @var{y}, @var{z}] =} pol2cart (@var{p})
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	24 ## @deftypefnx {Function File} {@var{C} =} pol2cart (@dots{})
9168 742cf6388a8f Update section 17.7 (Coordinate Transformations) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	25 ## Transform polar or cylindrical to Cartesian coordinates.
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	26 ##
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	27 ## @var{theta}, @var{r}, (and @var{z}) must be the same shape, or scalar.
9168 742cf6388a8f Update section 17.7 (Coordinate Transformations) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	28 ## @var{theta} describes the angle relative to the positive x-axis.
8491 aaff46fef256 [docs] fix hypenation: x - axis => x-axis, etc Brian Gough <bjg@gnu.org> parents: 7017 diff changeset	29 ## @var{r} is the distance to the z-axis (0, 0, z).
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	30 ## If called with a single matrix argument then each row of @var{p}
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	31 ## represents the polar/(cylindrical) coordinate (@var{x}, @var{y} (, @var{z})).
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	32 ##
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	33 ## If only a single return argument is requested then return a matrix
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	34 ## @var{C} where each row represents one Cartesian coordinate
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	35 ## (@var{x}, @var{y} (, @var{z})).
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	36 ## @seealso{cart2pol, sph2cart, cart2sph}
3803 63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	37 ## @end deftypefn
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	38
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	39 ## Author: Kai Habel <kai.habel@gmx.de>
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	40 ## Adapted-by: jwe
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	41
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	42 function [x, y, z] = pol2cart (theta, r, z)
3803 63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	43
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	44 if (nargin < 1 \|\| nargin > 3)
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	45 print_usage ();
3803 63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	46 endif
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	47
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	48 if (nargin == 1)
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	49 if (ismatrix (theta) && (columns (theta) == 2 \|\| columns (theta) == 3))
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	50 if (columns (theta) == 3)
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	51 z = theta(:,3);
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	52 else
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	53 z = [];
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	54 endif
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	55 r = theta(:,2);
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	56 theta = theta(:,1);
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	57 else
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	58 error ("pol2car: matrix input must have 2 or 3 columns [THETA, R (, Z)]");
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	59 endif
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	60 elseif (nargin == 2)
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	61 if (! ((ismatrix (theta) && ismatrix (r))
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	62 && (size_equal (theta, r) \|\| isscalar (theta) \|\| isscalar (r))))
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	63 error ("pol2cart: arguments must be matrices of same size, or scalar");
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	64 endif
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	65 elseif (nargin == 3)
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	66 if (! ((ismatrix (theta) && ismatrix (r) && ismatrix (z))
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	67 && (size_equal (theta, r) \|\| isscalar (theta) \|\| isscalar (r))
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	68 && (size_equal (theta, z) \|\| isscalar (theta) \|\| isscalar (z))
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	69 && (size_equal (r, z) \|\| isscalar (r) \|\| isscalar (z))))
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	70 error ("pol2cart: arguments must be matrices of same size, or scalar");
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	71 endif
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	72 endif
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	73
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	74 x = r .* cos (theta);
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	75 y = r .* sin (theta);
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	76
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	77 if (nargout <= 1)
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	78 x = [x, y, z];
3803 63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	79 endif
63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	80
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	81 endfunction
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	82
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	83 %!test
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	84 %! t = [0, 0.5, 1] * pi;
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	85 %! r = 1;
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	86 %! [x, y] = pol2cart (t, r);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	87 %! assert (x, [1, 0, -1], sqrt(eps));
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	88 %! assert (y, [0, 1, 0], sqrt(eps));
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	89
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	90 %!test
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	91 %! t = [0, 1, 1] * pi/4;
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	92 %! r = sqrt(2) * [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	93 %! [x, y] = pol2cart (t, r);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	94 %! assert (x, [0, 1, 2], sqrt(eps));
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	95 %! assert (y, [0, 1, 2], sqrt(eps));
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	96
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	97 %!test
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	98 %! t = [0, 1, 1] * pi/4;
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	99 %! r = sqrt(2) * [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	100 %! z = [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	101 %! [x, y, z2] = pol2cart (t, r, z);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	102 %! assert (x, [0, 1, 2], sqrt(eps));
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	103 %! assert (y, [0, 1, 2], sqrt(eps));
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	104 %! assert (z, z2);
3803 63c75bc3db82 [project @ 2001-02-28 08:24:40 by jwe] jwe parents: diff changeset	105
8533 fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	106 %!test
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	107 %! t = 0;
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	108 %! r = [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	109 %! z = [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	110 %! [x, y, z2] = pol2cart (t, r, z);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	111 %! assert (x, [0, 1, 2], sqrt(eps));
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	112 %! assert (y, [0, 0, 0], sqrt(eps));
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	113 %! assert (z, z2);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	114
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	115 %!test
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	116 %! t = [1, 1, 1]*pi/4;
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	117 %! r = 1;
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	118 %! z = [0, 1, 2];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	119 %! [x, y, z2] = pol2cart (t, r, z);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	120 %! assert (x, [1, 1, 1] / sqrt(2), eps);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	121 %! assert (y, [1, 1, 1] / sqrt(2), eps);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	122 %! assert (z, z2);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	123
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	124 %!test
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	125 %! t = 0;
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	126 %! r = [1, 2, 3];
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	127 %! z = 1;
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	128 %! [x, y, z2] = pol2cart (t, r, z);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	129 %! assert (x, [1, 2, 3], eps);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	130 %! assert (y, [0, 0, 0] / sqrt(2), eps);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	131 %! assert (z, z2);
fb1b87ea4af9 Permit scalars when transforming coordinates. Ben Abbott <bpabbott@mac.com> parents: 8507 diff changeset	132
10688 7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	133 %!test
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	134 %! P = [0, 0; pi/4, sqrt(2); pi/4, 2*sqrt(2)];
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	135 %! C = [0, 0; 1, 1; 2, 2];
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	136 %! assert (pol2cart(P), C, sqrt(eps));
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	137
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	138 %!test
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	139 %! P = [0, 0, 0; pi/4, sqrt(2), 1; pi/4, 2*sqrt(2), 2];
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	140 %! C = [0, 0, 0; 1, 1, 1; 2, 2, 2];
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	141 %! assert (pol2cart(P), C, sqrt(eps));
7357e37f34fa coordinate transforms: add option to operate on column matrix of coordinates. Rik <octave@nomad.inbox5.com> parents: 9168 diff changeset	142

Mercurial > hg > octave-nkf

annotate scripts/general/pol2cart.m @ 14570:d07d96e53612 stable