#include "petscksp.h" PetscErrorCode KSPBCGSLSetUsePseudoinverse(KSP ksp,PetscBool use_pinv)Logically Collective on KSP
| ksp | - iterative context obtained from KSPCreate | |
| use_pinv | - set to PETSC_TRUE when using pseudoinverse |
| -ksp_bcgsl_pinv | - use pseudoinverse |