MatLMVMSetJ0PC

Allows the user to define a PC object that acts as the initial inverse-Jacobian matrix. This PC should already contain all the operators necessary for its application. The LMVM-type matrix only calls PCApply() without changing any other options.

Synopsis

#include "petscksp.h" 
PetscErrorCode MatLMVMSetJ0PC(Mat B, PC J0pc)

Input Parameters

• B - An LMVM-type matrix

• J0pc - PC object where PCApply() defines an inverse application for J0

See Also

KSP: Linear System Solvers, LMVM Matrices, MATLMVM, MatLMVMGetJ0PC()

Level

advanced

Location

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

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