petsc-3.12.5 2020-03-29
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KSPLSQRGetStandardErrorVec

 Get vector of standard error estimates. Only available if -ksp_lsqr_set_standard_error was set to true or KSPLSQRSetComputeStandardErrorVec(ksp, PETSC_TRUE) was called. Otherwise returns NULL.

Synopsis

#include "petscksp.h" 
PetscErrorCode  KSPLSQRGetStandardErrorVec(KSP ksp,Vec *se)
Not Collective

Input Parameters

ksp -iterative context

Output Parameters

se -vector of standard estimates

Options Database Keys

-ksp_lsqr_set_standard_error -set standard error estimates of solution

Developer notes

Vaclav: I'm not sure whether this vector is useful for anything.

See Also

KSPSolve(), KSPLSQR, KSPLSQRSetComputeStandardErrorVec()

Level

intermediate

Location

src/ksp/ksp/impls/lsqr/lsqr.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages