[petsc-users] Mat-view-draw Colors, Views

[Matthew Knepley]

On Mon, Dec 19, 2011 at 6:21 PM, Jonathan Backs
<jbacks at mcmillan-mcgee.com>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?
>

+, -, 0.


> 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?
>

Every time a matrix is assembled, it is shown.

  Matt


> Thank you for your time,
>
> Jonathan




-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20111219/c7277214/attachment.htm>