MatLMVMApplyJ0Fwd

Applies an approximation of the forward matrix-vector product with the initial Jacobian.

Synopsis

#include "petscksp.h" 
PetscErrorCode MatLMVMApplyJ0Fwd(Mat B, Vec X, Vec Y)

Input Parameters

• B - An LMVM-type matrix

• X - vector to multiply with J0

Output Parameter

• Y - resulting vector for the operation

See Also

KSP: Linear System Solvers, LMVM Matrices, MATLMVM, MatLMVMSetJ0(), MatLMVMSetJ0Scale(), MatLMVMSetJ0ScaleDiag(), MatLMVMSetJ0PC(), MatLMVMSetJ0KSP(), MatLMVMApplyJ0Inv()

Level

advanced

Location

src/ksp/ksp/utils/lmvm/lmvmutils.c

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