Re: Problem with the visualitation of a surface

[Jordi Gutiérrez Hermoso]

On 4 June 2013 06:46, sv <address@hidden> wrote:
> from Matlab Central I've downloaded
> http://www.mathworks.com/matlabcentral/fileexchange/14915-split-step-fourier-method/content/split_step_fourier_method.m
> If I run it with matlab there are no problem with the visualization
> of a surface and with the rotate3D button activated the rotation is
> responsive. If I use octave to run the same m-file

You should know that you have therefore violated Matlab Central's
terms of use:

    
http://wiki.octave.org/FAQ#Why_can.27t_I_use_code_from_File_Exchange_in_Octave.3F_It.27s_released_under_a_BSD_license.21

>then the time it needs to make the visualization of the same surface
> ( figure 2) is very long ( about 110 sec )

gnuplot is terrible with 3d plots. Try the same thing with the OpenGL
backend. Before running this visualisation, do

    graphics_toolkit fltk;

Does that work better?

- Jordi G. H.