slepc-3.21.1 2024-04-26
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BVNorm

Computes the matrix norm of the BV.

Synopsis

#include "slepcbv.h" 
PetscErrorCode BVNorm(BV bv,NormType type,PetscReal *val)
Collective

Input Parameters

bv  - basis vectors
type  - the norm type

Output Parameter

val  - the norm

Notes

All active columns (except the leading ones) are considered as a matrix. The allowed norms are NORM_1, NORM_FROBENIUS, and NORM_INFINITY.

This operation fails if a non-standard inner product has been specified with BVSetMatrix().

See Also

BVNormVec(), BVNormColumn(), BVNormalize(), BVSetActiveColumns(), BVSetMatrix()

Level

intermediate

Location

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

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