[petsc-users] Create csr matrix

[Jakub Pola]

Hi, 

Could you please help me with creating CSR matrix. I have only one
processor so It have to be done locally

Here is the matrix from those information I would like to have matrix
petsc matrix.

double  vals  [] = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0} ;
int     c_idx [] = {1,   3,   2,   0,   1,   2,   2,   3} ;
int     r_idx [] = {0, 2, 3, 6, 8} ;
int     n_rows   = 4 ; //square matrix

Thank you in advance for help.
Kuba