Re: [Libmesh-users] Linear algebra computations

2016-06-30 Thread Torquil Macdonald Sørensen
On 19/06/16 18:53, John Peterson wrote: > >> On Jun 19, 2016, at 3:50 AM, Torquil Macdonald Sørensen >> wrote: >> >> Hi! >> >> I have solved a PDE generalized eigenproblem (A*v = lambda*B*v) in >> libmesh, but I would like to do some linear algebra computations that >> involves the A and B matric

Re: [Libmesh-users] Linear algebra computations

2016-06-19 Thread John Peterson
> On Jun 19, 2016, at 3:50 AM, Torquil Macdonald Sørensen > wrote: > > Hi! > > I have solved a PDE generalized eigenproblem (A*v = lambda*B*v) in > libmesh, but I would like to do some linear algebra computations that > involves the A and B matrices, some of the eigenvectors v, as well as > A

[Libmesh-users] Linear algebra computations

2016-06-19 Thread Torquil Macdonald Sørensen
Hi! I have solved a PDE generalized eigenproblem (A*v = lambda*B*v) in libmesh, but I would like to do some linear algebra computations that involves the A and B matrices, some of the eigenvectors v, as well as A2/B2-matrices that arise from a different type of discretization of the same PDE. I g