petsc-3.12.4 2020-02-04
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# VECNEST

VECNEST = "nest" - Vector type consisting of nested subvectors, each stored separately.

### Notes

This vector type reduces the number of copies for certain solvers applied to multi-physics problems. It is usually used with MATNEST and DMComposite via DMSetVecType().

### See Also

VecCreate(), VecType, VecCreateNest(), MatCreateNest()

### Level

intermediate

### Location

src/vec/vec/impls/nest/vecnest.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages