slepc-3.21.1 2024-04-26
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BVGetSignature

Retrieves the signature matrix from last orthogonalization.

Synopsis

#include "slepcbv.h" 
PetscErrorCode BVGetSignature(BV bv,Vec omega)
Not Collective

Input Parameter

bv  - the basis vectors context

Output Parameter

omega  - a vector representing the diagonal of the signature matrix

Note

The signature matrix Omega = V'*B*V is relevant only for an indefinite B.

See Also

BVSetMatrix(), BVSetSignature()

Level

developer

Location

src/sys/classes/bv/interface/bvbasic.c

Index of all BV routines
Table of Contents for all manual pages
Index of all manual pages