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# MATBAIJ

MATBAIJ = "baij" - A matrix type to be used for block sparse matrices. This matrix type is identical to MATSEQBAIJ when constructed with a single process communicator, and MATMPIBAIJ otherwise.

### Options Database Keys

| -mat_type baij | - sets the matrix type to "baij" during a call to MatSetFromOptions()

### See Also

MatCreateBAIJ(),MATSEQBAIJ,MATMPIBAIJ, MatMPIBAIJSetPreallocation(), MatMPIBAIJSetPreallocationCSR()

### Level

beginner

### Location

src/mat/impls/baij/mpi/mpibaij.c

### Examples

src/ts/tutorials/ex35.cxx.html
Index of all Mat routines
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