Compute sigma for the inversion method. See \cite ozaki2001efficient for details.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(Matrix_ps), | intent(in) | :: | this |
The matrix to compute the sigma value of. |
||
| real(kind=NTREAL), | intent(out) | :: | sigma_value |
Sigma |