That's right. It does exactly what I want. BR Bui
On 05/26/2014 08:44 PM, Barry Smith wrote:
Why not MatDiagonalScale()? The left diagonal matrix l scales each row i of the matrix by l[i,i] so it seems to do exactly what you want. Barry On May 26, 2014, at 11:02 AM, Hoang Giang Bui <[email protected]> wrote:Hi My matrix contains some overshoot entries in the diagonal and I want to row scale by a factor that I defined. How can I do that with petsc ? (I don't want to use MatDiagonalScale instead, I also don't want to create a diagonal matrix and left multiply to the system.) BR Bui
