ez* plotting functions

[John W. Eaton]

On 27-Dec-2007, David Bateman wrote:

| Here are all of the ez* plotting functions except ezplot itself. I'm
| still not sure how to go about doing "f(x,y)=0" for ezplot in a matlab
| compatible manner. However, all the other functions are pretty much
| handled in the same manner and here are in fact handled by a single
| function __ezplot__ that I'll probably extend to handle explot as well
| when I can figure out how to do "f(x,y)=0". I believe I've handled the
| treatment of singularities, that is set a point to NaN if the gradient
| at the point is above some limit in the surface functions but not in
| ezpolar or ezplot3. The only 2D core plotting functions missing after
| this patch will be "ezplot" and "plotmatrix".

| 2007-12-27  David Bateman  <dbateman at free.fr>
| 
| 	* ezcontourf.m, ezcontour.m, ezmeshc.m, ezmesh.m, ezplot3.m,
| 	__ezplot__.m, ezpolar.m, ezsurfc.m, ezsurf.m: New functions.
| 	* Makefile.in (SOURCES): Add to the sources.

I applied the patch and checked it in the cvs trunk.

Thanks,

jwe