[petsc-users] How much memory does TS use (in terms of # of matrices)

[Andrew Spott]

I'm honestly not sure why I did that, however what I thought would be the obvious fix ( 'Mat h = *A' ) isn't, I'm still getting the error.

Is there a reason I can't do that?

-Andrew


On May 16, 2012, at 7:17 AM, Jed Brown wrote:

> On Wed, May 16, 2012 at 7:08 AM, Andrew Spott <andrew.spott at gmail.com> wrote:
> Not until you pointed it out… :).  Though it probably should have been.  It was late.
> 
> Though I'm not sure how to fix that… should I do a MatDestroy(A) at the beginning of that function every time?.
> 
> Is *A a pointer to the last used matrix, should I just do the mat duplicate into A?
> 
> Do you really mean to only change A (the operator), but not B (the preconditioning matrix)?
> 
> Why do you want to create a new matrix instead of reusing those?

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