slepc-3.22.2 2024-12-02
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SVDTRLanczosSetExplicitMatrix

Indicate if the matrix Z=[A;B] must be built explicitly.

Synopsis

#include "slepcsvd.h" 
PetscErrorCode SVDTRLanczosSetExplicitMatrix(SVD svd,PetscBool explicitmat)
Logically Collective

Input Parameters

svd  - singular value solver
explicitmat  - Boolean flag indicating if Z=[A;B] is built explicitly

Options Database Key

-svd_trlanczos_explicitmatrix <boolean>  - Indicates the boolean flag

Notes

This option is relevant for the GSVD case only. Z is the coefficient matrix of the KSP solver used internally.

See Also

SVDTRLanczosGetExplicitMatrix()

Level

advanced

Location

src/svd/impls/trlanczos/trlanczos.c

Examples

src/svd/tutorials/ex51.c


Index of all SVD routines
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Index of all manual pages