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## Re: direction field plot

**From**: |
mark dufour |

**Subject**: |
Re: direction field plot |

**Date**: |
Tue, 3 Sep 2002 13:26:06 +0200 |

**User-agent**: |
KMail/1.4.6 |

uh oh :) I think I found a quiver at octave.sourceforge.net. please don't hurt
me..
mark dufour.
On Tuesday 03 September 2002 12:30, mark dufour wrote:
>* hi!*
>
>* first of all, it's great there's a free alternative to matlab and such.*
>* secondly, I'm a big idiot. how to make a direction field plot of a simple*
>* differential equation? I found the following recipe for matlab:*
>
>* dx = 0.1;*
>* [xp,yp] = meshgrid ( 0:dx:2, -1:dx:1 );*
>* u = dx * ones ( size ( xp ) );*
>* v = dx * stiff_ode ( xp, yp );*
>* quiver ( xp, yp, u, v )*
>
>* but it doesn't seem like quiver() is supported by octave.. I'm sorry, I*
>* just found out about Octave a few minutes ago, and I'm being way too*
>* impatient.*
>
>
>* thanks for any help!!*
>* mark dufour.*
>
>
>
>* -------------------------------------------------------------*
>* Octave is freely available under the terms of the GNU GPL.*
>
>* Octave's home on the web: http://www.octave.org*
>* How to fund new projects: http://www.octave.org/funding.html*
>* Subscription information: http://www.octave.org/archive.html*
>* -------------------------------------------------------------*
-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.
Octave's home on the web: http://www.octave.org
How to fund new projects: http://www.octave.org/funding.html
Subscription information: http://www.octave.org/archive.html
-------------------------------------------------------------