[petsc-users] Customizeing MatSetValuesBlocked(...)

[Jed Brown]

On Wed, Aug 8, 2012 at 4:45 PM, Jinquan Zhong <jzhong at scsolutions.com>wrote:

> What type of math equations, e.g., solve Ax=b or eigenvalue problems?****
>
> **·         **A’x=b, where A’=[A^-1 U B]=
>
What does the notation above mean?

> sparse matrix at the order of 2 million.  B = sparse matrix to be mixed
> and mingled with A^-1.
>
What are the dimensions and sparsity of each piece. If you have an
"inverse" floating around, what sort of operator is it the inverse of.
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