|
245
|
1 # Copyright (C) 1993 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 the |
|
|
7 # Free Software Foundation; either version 2, or (at your option) any |
|
|
8 # later version. |
|
|
9 # |
|
|
10 # Octave is distributed in the hope that it will be useful, but WITHOUT |
|
|
11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
|
12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
|
13 # 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, 675 Mass Ave, Cambridge, MA 02139, USA. |
|
|
18 |
|
4
|
19 function [xx, yy] = meshdom (x, y) |
|
|
20 |
|
|
21 # usage: [xx, yy] = meshdom (x, y) |
|
|
22 # |
|
|
23 # Given vectors of x and y coordinates, return two matrices |
|
|
24 # corresponding to the x and y coordinates of the mesh. |
|
|
25 # |
|
|
26 # See the file sombrero.m for an example of using mesh and meshdom. |
|
|
27 # |
|
|
28 # See also: plot, semilogx, semilogy, loglog, polar, mesh, contour, |
|
|
29 # bar, stairs, gplot, gsplot, replot, xlabel, ylabel, title |
|
|
30 |
|
|
31 if (nargin == 2) |
|
|
32 if (is_vector (x) && is_vector (y)) |
|
|
33 xlen = length (x); |
|
|
34 ylen = length (y); |
|
|
35 xx = zeros (ylen, xlen); |
|
|
36 yy = zeros (ylen, xlen); |
|
|
37 y = y (ylen:-1:1); |
|
|
38 if (columns (x) == 1) |
|
|
39 x = x'; |
|
|
40 endif |
|
|
41 if (rows (y) == 1) |
|
|
42 y = y'; |
|
|
43 endif |
|
|
44 for i = 1:ylen |
|
|
45 xx(i,:) = x; |
|
|
46 endfor |
|
|
47 for i = 1:xlen |
|
|
48 yy(:,i) = y; |
|
|
49 endfor |
|
|
50 else |
|
|
51 error ("meshdom: arguments must be vectors"); |
|
|
52 endif |
|
|
53 else |
|
|
54 error ("usage: [xx, yy] = meshdom (x, y)"); |
|
|
55 endif |
|
|
56 |
|
|
57 endfunction |
