MatSetValueLocal#
Inserts or adds a single value into a matrix, using a local numbering of the nodes.
Synopsis#
static inline PetscErrorCode MatSetValueLocal(Mat mat, PetscInt i, PetscInt j, PetscScalar va, InsertMode mode)
Not Collective
Input Parameters#
mat - the matrix
i - the row location of the entry
j - the column location of the entry
va - the value to insert
mode - either
INSERT_VALUESorADD_VALUES
Notes#
For efficiency one should use MatSetValuesLocal() and set several values simultaneously.
See notes for MatSetValuesLocal() for additional information on when and how this function can be used.
See Also#
Level#
intermediate
Location#
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages