petsc-3.10.5 2019-03-28
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# MATCOMPOSITE

A matrix defined by the sum (or product) of one or more matrices (all matrices are of same size and parallel layout).

### Notes

to use the product of the matrices call MatCompositeSetType(mat,MAT_COMPOSITE_MULTIPLICATIVE);

### See Also

MatCreateComposite(), MatCompositeAddMat(), MatSetType(), MatCompositeMerge(), MatCompositeSetType(), MatCompositeType

### Level

advanced

### Location

src/mat/impls/composite/mcomposite.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages