slepc-3.20.2 2024-03-15
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STGetPreconditionerMat

Returns the matrix previously set by STSetPreconditionerMat().

Synopsis

#include "slepcst.h" 
PetscErrorCode STGetPreconditionerMat(ST st,Mat *mat)
Not Collective

Input Parameter

st  - the spectral transformation context

Output Parameter

mat  - the matrix that will be used in constructing the preconditioner or NULL if no matrix was set by STSetPreconditionerMat().

See Also

STSetPreconditionerMat()

Level

advanced

Location

src/sys/classes/st/interface/stfunc.c

Index of all ST routines
Table of Contents for all manual pages
Index of all manual pages