Returns pointer to prolongation matrix
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(multigrid_t), | intent(in), | target | :: | self |
Instance of the type |
|
| integer, | intent(in) | :: | lvl_f |
Level of prolongation matrix (from lvl_f+1 to lvl_f) |
Helmholtz matrix for level lvl