slepc-3.22.1 2024-10-28
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# STApplyMat

Applies the spectral transformation operator to a matrix, for instance (A - sB)^-1 B in the case of the shift-and-invert transformation and generalized eigenproblem.

### Synopsis

    #include "slepcst.h"
    PetscErrorCode STApplyMat(ST st,Mat X,Mat Y)

Collective

### Input Parameters

| st | - the spectral transformation context
| X | - input matrix

### Output Parameter

| Y | - output matrix

### See Also

STApply()

### Level

developer

### Location

src/sys/classes/st/interface/stsolve.c
Index of all ST routines
Table of Contents for all manual pages
Index of all manual pages