On Friday 01 January 2010 12:57:47 Pietro Maximoff wrote: > New question #95871 on DOLFIN: > https://answers.launchpad.net/dolfin/+question/95871 > > Hello > > How do I add two matrices together using the C++ interface, i.e, A = M + K > ?
The operator+ is not implemented in the C++ interface. You can do something like: Matrix A(M); A += K; or Matrix A(M); A.axpy(1.0, K, true); if you know they have the same sparsity pattern. Johan > The Matrix class has no function for this and axpy doesn't seem like the > right one to use. > > Best wishes > > Pietro > _______________________________________________ Mailing list: https://launchpad.net/~dolfin Post to : [email protected] Unsubscribe : https://launchpad.net/~dolfin More help : https://help.launchpad.net/ListHelp

