MatLMVMSetJ0KSP

Allows the user to provide a pre-configured KSP solver for the initial inverse-Jacobian approximation. This KSP solver should already contain all the operators necessary to perform the inversion. The LMVM-type matrix only calls KSPSolve() without changing any other options.

Synopsis

#include "petscksp.h" 
PetscErrorCode MatLMVMSetJ0KSP(Mat B, KSP J0ksp)

Input Parameters

• B - An LMVM-type matrix

• J0ksp - KSP solver for the initial inverse-Jacobian application

See Also

KSP: Linear System Solvers, LMVM Matrices, MATLMVM, MatLMVMGetJ0KSP()

Level

advanced

Location

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

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Index of all KSP routines
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Index of all manual pages