petsc-3.12.5 2020-03-29
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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

MatLMVMSetScale(), MatLMVMSetJ0()

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