MatLMVMGetJ0

Returns a pointer to the internal J0 matrix.

Synopsis

#include "petscksp.h" 
PetscErrorCode MatLMVMGetJ0(Mat B, Mat *J0)

Input Parameter

• B - A MATLMVM matrix

Output Parameter

• J0 - Mat object for defining the initial Jacobian

Note

If J0 was created by B it will have the options prefix -mat_lmvm_J0_.

See Also

KSP: Linear System Solvers, LMVM Matrices, MATLMVM, 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