STApplyMat#

Applies the spectral transformation operator to a matrix, for instance \(Y = (A - \sigma B)^{-1} B X\) 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#

ST: Spectral Transformation, STApply()

Level#

developer

Location#

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

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