MatLMVMSetJ0PC

Allows the user to define a PC object that acts as the initial inverse-Jacobian matrix.

Synopsis

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

Input Parameters

• B - A MATLMVM matrix

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

Note

J0pc should already contain all the operators necessary for its application. The MATLMVM matrix only calls PCApply() without changing any other options.

See Also

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

Level

advanced

Location

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

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