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# SVDGetDimensions

Gets the number of singular values to compute and the dimension of the subspace.

## Synopsis

    #include "slepcsvd.h"
    PetscErrorCode SVDGetDimensions(SVD svd,PetscInt *nsv,PetscInt *ncv,PetscInt *mpd)

Not Collective

## Input Parameter

- svd - the singular value solver context

## Output Parameters

- nsv - number of singular values to compute

- ncv - the maximum dimension of the subspace to be used by the solver

- mpd - the maximum dimension allowed for the projected problem

## Notes

The user can specify `NULL` for any parameter that is not needed.

## See Also

SVD: Singular Value Decomposition, `SVDSetDimensions()`

## Level

intermediate

## Location

src/svd/interface/svdopts.c

## Examples

src/svd/tutorials/ex14.c
src/svd/tutorials/ex15.c
src/svd/tutorials/ex15f.F90
src/svd/tutorials/ex52.c
src/svd/tutorials/ex53.c
src/svd/tutorials/ex45.c

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