Inserts or adds values into certain locations of a matrix, using a local ordering of the nodes a block at a time.
If you create the matrix yourself (that is not with a call to
DMCreateMatrix()) then you MUST call
before using this routineBefore calling
MatSetValuesLocal(), the user must first set the
This is labeled with C so does not automatically generate Fortran stubs and interfaces because it requires multiple Fortran interfaces depending on which arguments are scalar or arrays.