petsc-3.7.1 2016-05-15
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# MATNEST

MATNEST = "nest" - Matrix type consisting of nested submatrices, each stored separately. Many br

### Notes

This matrix type permits scalable use of PCFieldSplit and avoids the large memory costs of extracting submatrices. Many brIt allows the use of symmetric and block formats for parts of multi-physics simulations. Many brIt is usually used with DMComposite and DMCreateMatrix() Many br

### See Also

MatCreate(), MatType, MatCreateNest()

Level:intermediate
Location:src/mat/impls/nest/matnest.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages