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#

BV: Basis Vectors, BVSetMatrix(), BVSetSignature()

Level#

developer

Location#

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

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