slepc-3.16.1 2021-11-17
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Computes the matrix-vector product y = T[k] x, where T[k] is the k-th matrix of the spectral transformation.


#include "slepcst.h" 
PetscErrorCode STMatMult(ST st,PetscInt k,Vec x,Vec y)
Neighbor-wise Collective on st

Input Parameters

st  - the spectral transformation context
k  - index of matrix to use
x  - the vector to be multiplied

Output Parameter

y  - the result

See Also


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