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 >
