How about MatAXPY() ? http://www-unix.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/docs/ manualpages/Mat/MatAXPY.html
Computes Y = aX + Y , where X, Y are matrices. Set a=1. -Dominic -----Original Message----- From: [email protected] [mailto:owner-petsc-users at mcs.anl.gov] On Behalf Of Manav Bhatia Sent: Thursday, February 15, 2007 4:57 PM To: petsc-users at mcs.anl.gov Subject: matrix addition Hi, I need to add two matrices, but I did not find a direct function to do so. Is there a specific reason not having a matrix addition function? In the absence of such a function, I am thinking of extracting each row of the two matrices and adding them. Would there be a more efficient way to do the same? Kindly help me with your advice. Thanks, Manav
