petsc-3.10.2 2018-10-09
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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

MatLMVMSetJ0(), MatLMVMSetJ0Scale(), MatLMVMSetJ0ScaleDiag(),
MatLMVMSetJ0PC(), MatLMVMSetJ0KSP(), MatLMVMApplyJ0Inv()

Level

advanced

Location

src/ksp/ksp/utils/lmvm/lmvmutils.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages