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
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Index of all manual pages