MatLMVMSetJ0Diag

Allows the user to define a vector V such that J0 = diag(V).

Synopsis

#include "petscksp.h" 
PetscErrorCode MatLMVMSetJ0Diag(Mat B, Vec V)

Input Parameters

• B - An LMVM-type matrix

• V - Vector that defines the diagonal of the initial Jacobian

See Also

KSP: Linear System Solvers, LMVM Matrices, MATLMVM, MatLMVMSetScale(), MatLMVMSetJ0()

Level

advanced

Location

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

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