On Mon, 19 Dec 2011, Jonathan Backs wrote: > Hi, > > I am trying to troubleshoot my Jacobian using the command-line option > -mat_view_draw. In the X-window that pops up, the non-zero structure is shown > using three colors: cyan, blue, and red. What do these three colors represent?
red : positive value bule: negative value cyan: zero value [thats entered with matsetvalues] > > When I add the option -draw_pause -1, I am given three chances to right-click > on the X-window for each Jacobian evaluation. Each time, a different view of > the Jacobian is shown, though the first two views look the same. What do > these different views show? left mouse: zoom-in middle mouse: zoom-out right-mouse: continue the program So if you click the right-mouse - then the program continues - and what you see next is the 'next' matrix thats assembled in your program. It could be a factor matrix or something thats created in the preconditioner. This depends on the path your code takes. Satish > > Thank you for your time, > > Jonathan
