Mercurial > hg > octave-nkf
annotate scripts/plot/ezplot3.m @ 12744:343eca0298d0 stable
maint: fix version number for stable branch
* configure.ac (AC_INIT): Correct stable branch version number.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 15 Jun 2011 09:39:23 -0400 |
| parents | c792872f8942 |
| children | 5f0bb45e615c |
| rev | line source |
|---|---|
| 11523 | 1 ## Copyright (C) 2007-2011 David Bateman |
| 7337 | 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 3 of the License, or (at | |
| 8 ## your option) 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, see | |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 18 | |
| 19 ## -*- texinfo -*- | |
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20 ## @deftypefn {Function File} {} ezplot3 (@var{fx}, @var{fy}, @var{fz}) |
| 7337 | 21 ## @deftypefnx {Function File} {} ezplot3 (@dots{}, @var{dom}) |
| 22 ## @deftypefnx {Function File} {} ezplot3 (@dots{}, @var{n}) | |
| 23 ## @deftypefnx {Function File} {} ezplot3 (@var{h}, @dots{}) | |
| 24 ## @deftypefnx {Function File} {@var{h} =} ezplot3 (@dots{}) | |
| 25 ## | |
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26 ## Plots in three-dimensions the curve defined parametrically. |
| 7337 | 27 ## @var{fx}, @var{fy}, and @var{fz} are strings, inline functions |
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28 ## or function handles with one arguments defining the function. By |
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29 ## default the plot is over the domain @code{-2*pi < @var{x} < 2*pi} |
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30 ## with 60 points. |
| 7337 | 31 ## |
| 32 ## If @var{dom} is a two element vector, it represents the minimum and maximum | |
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33 ## value of @var{t}. @var{n} is a scalar defining the number of points to use. |
| 7337 | 34 ## |
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35 ## The optional return value @var{h} provides a list of handles to the |
| 7337 | 36 ## the parts of the vector field (body, arrow and marker). |
| 37 ## | |
| 38 ## @example | |
| 39 ## @group | |
| 40 ## fx = @@(t) cos (t); | |
| 41 ## fy = @@(t) sin (t); | |
| 42 ## fz = @@(t) t; | |
| 43 ## ezplot3 (fx, fy, fz, [0, 10*pi], 100); | |
| 44 ## @end group | |
| 45 ## @end example | |
| 46 ## | |
| 47 ## @seealso{plot3, ezplot, ezsurf, ezmesh} | |
| 48 ## @end deftypefn | |
| 49 | |
| 50 function retval = ezplot3 (varargin) | |
| 51 | |
| 52 [h, needusage] = __ezplot__ ("plot3", varargin{:}); | |
| 53 | |
| 54 if (needusage) | |
| 55 print_usage (); | |
| 56 endif | |
| 57 | |
| 58 if (nargout > 0) | |
| 59 retval = h; | |
| 60 endif | |
| 61 endfunction | |
| 62 | |
| 63 %!demo | |
| 64 %! fx = @(t) cos (t); | |
| 65 %! fy = @(t) sin (t); | |
| 66 %! fz = @(t) t; | |
| 67 %! ezplot3 (fx, fy, fz, [0, 10*pi], 100); |