Oh okay I get it now. I also realised I wasn't reading the matrix correctly.
I made my system super small, and got non small values of the eigen values
and determinant so it should be smooth sailing at this point.
Thanks
Abbas
On Wednesday, October 30, 2024 at 6:02:45 PM UTC+1 Wolfgang Banger
On 10/30/24 08:25, Abbas Ballout wrote:
Yeah I was aiming to compute the smallest eigenvalue.
I guess my tittle was off. I was just trying to aim to the fact that the
stiffness matrix
I wrote to an output file and then I read was singular.
Abbas:
what I wanted to point out is that it's ha
As always, thanks for the reply W.
Yeah I was aiming to compute the smallest eigenvalue.
I guess my tittle was off. I was just trying to aim to the fact that the
stiffness matrix
I wrote to an output file and then I read was singular. Could a problem on
my part but I was still just checking s
On 10/28/24 15:26, Abbas Ballout wrote:
I wanted to look at the determinant that results from discritizng the
stokes problem so I started out with step22 and added this line right at
the end of the assembly:
{
std::ofstream out("matrix.txt");
system_matrix.print(out);
out.close();
}
After w
