contourc - Octave vs Matlab

[Ben Abbott]

On Apr 4, 2009, at 1:03 PM, Big Muscle wrote:

> Hello.
>
> Is Octave’s contourc algorithm supposed to produced exactly same  
> contours as Matlab algorithm? I would like to use Octave’s source  
> code to my application, but it doesn’t provide same result as  
> Matlab. The difference is that Matlab draws some countours at same  
> level as two different contours, but Octave draws it as one.
>
> I also tried to use PLPlot algorithm, but it has completely inversed  
> problem – it sometimes draws two closed contours where Matlab draws  
> only one closed contour.
>
> I think my problem has something to do with saddle points where both  
> algorithms use different techniques to choose which edges to connect.
> Is there something to do with this? Thank you!
>
> Tomas

I'm confused as to the specifics. Can you provide a simple example  
illustrating the difference between Octave and Matlab?

Ben