MatView

[Barry Smith]

   They indicate the sign of the value.

   Barry

On Jul 13, 2008, at 6:11 PM, Waad Subber wrote:

> Hi
>
> I am trying to visualize the nonzero structure of a sparse matrix. I  
> am calling MatView with the viewer context is  
> PETSC_VIEWER_DRAW_SELF. I understand the colored points are the  
> nonzero entries. Then what is the difference between the red color  
> point and the blue point in the draw ?
>
> Thanks
>
> Waad
>