Function CreateL

• Defined in File bigfeta_dist.h

Function Documentation

PetscErrorCode CreateL(MPI_Comm COMM, char indexname[], PetscInt local_nrow, PetscInt global_nrow, PetscBool trunc, Mat *L)

Creates a diagonal matrix with the weights as the entries.

Parameters

• COMM: The MPI communicator, PETSC_COMM_SELF.A
• local_nrow: Number of rows for this rank
• local_row0: The starting row for this rank.
• global_nrow: The total length of the weights vector (N). L is NxN.
• *L: The matrix created by this function.