<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Times New Roman; font-size: 12pt; color: #000000'><style>p { margin: 0; }</style><div style="font-family: Times New Roman; font-size: 12pt; color: rgb(0, 0, 0);">Petsc Team,<br><br>Is there a function that can be used to add two rows and put the results into a third row of the same parallel matrix (MPIAIJ)? i.e<br><br>A[k][l] = A[i][l] + A[j][l]<br><br>Thank you<br>Irfan<br><br>-- <br>PhD Candidate<br>G.W. Woodruff School of Mechanical Engineering<br>Georgia Institute of Technology<br>Atlanta, GA (30332)<br></div></div></body></html>