MATMPIAIJ#

MATMPIAIJ = “mpiaij” - A matrix type to be used for parallel sparse matrices.

Options Database Keys#

Notes#

MatSetValues() may be called for this matrix type with a NULL argument for the numerical values, in this case the values associated with the rows and columns one passes in are set to zero in the matrix

MatSetOptions(,MAT_STRUCTURE_ONLY,PETSC_TRUE) may be called for this matrix type. In this no space is allocated for the nonzero entries and any entries passed with MatSetValues() are ignored

See Also#

Matrices, Mat, MATSEQAIJ, MATAIJ, MatCreateAIJ()

Level#

beginner

Location#

src/mat/impls/aij/mpi/mpiaij.c


Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages