MATMPIAIJ#
MATMPIAIJ = “mpiaij” - A matrix type to be used for parallel sparse matrices.
Options Database Keys#
-mat_type mpiaij - sets the matrix type to
MATMPIAIJ
during a call toMatSetFromOptions()
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#
Examples#
src/snes/tutorials/ex70.c
src/ksp/ksp/tutorials/ex54.c
src/ksp/ksp/tutorials/ex54f.F90
src/ksp/ksp/tutorials/ex19.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages