|
2313
|
1 ## Copyright (C) 1996 John W. Eaton |
|
|
2 ## |
|
|
3 ## This file is part of Octave. |
|
|
4 ## |
|
|
5 ## Octave is free software; you can redistribute it and/or modify it |
|
|
6 ## under the terms of the GNU General Public License as published by |
|
|
7 ## the Free Software Foundation; either version 2, or (at your option) |
|
|
8 ## any later version. |
|
|
9 ## |
|
|
10 ## Octave is distributed in the hope that it will be useful, but |
|
|
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
|
|
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
|
13 ## General Public License for more details. |
|
|
14 ## |
|
|
15 ## You should have received a copy of the GNU General Public License |
|
|
16 ## along with Octave; see the file COPYING. If not, write to the Free |
|
|
17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
|
|
18 ## 02111-1307, USA. |
|
245
|
19 |
|
2311
|
20 ## usage: [xx, yy] = meshdom (x, y) |
|
|
21 ## |
|
|
22 ## Given vectors of x and y coordinates, return two matrices |
|
|
23 ## corresponding to the x and y coordinates of the mesh. |
|
|
24 ## |
|
|
25 ## See the file sombrero.m for an example of using mesh and meshdom. |
|
|
26 ## |
|
|
27 ## See also: plot, semilogx, semilogy, loglog, polar, mesh, contour, |
|
|
28 ## bar, stairs, gplot, gsplot, replot, xlabel, ylabel, title |
|
4
|
29 |
|
2314
|
30 ## Author: jwe |
|
|
31 |
|
2311
|
32 function [xx, yy] = meshdom (x, y) |
|
4
|
33 |
|
|
34 if (nargin == 2) |
|
|
35 if (is_vector (x) && is_vector (y)) |
|
|
36 xlen = length (x); |
|
|
37 ylen = length (y); |
|
|
38 xx = zeros (ylen, xlen); |
|
|
39 yy = zeros (ylen, xlen); |
|
|
40 y = y (ylen:-1:1); |
|
|
41 if (columns (x) == 1) |
|
|
42 x = x'; |
|
|
43 endif |
|
|
44 if (rows (y) == 1) |
|
|
45 y = y'; |
|
|
46 endif |
|
|
47 for i = 1:ylen |
|
|
48 xx(i,:) = x; |
|
|
49 endfor |
|
|
50 for i = 1:xlen |
|
|
51 yy(:,i) = y; |
|
|
52 endfor |
|
|
53 else |
|
|
54 error ("meshdom: arguments must be vectors"); |
|
|
55 endif |
|
|
56 else |
|
904
|
57 usage ("[xx, yy] = meshdom (x, y)"); |
|
4
|
58 endif |
|
|
59 |
|
|
60 endfunction |
