slepc-3.20.2 2024-03-15
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SVDMonitorFirst

Print the first unconverged approximate value and error estimate at each iteration of the singular value solver.

Synopsis

#include "slepcsvd.h" 
PetscErrorCode SVDMonitorFirst(SVD svd,PetscInt its,PetscInt nconv,PetscReal *sigma,PetscReal *errest,PetscInt nest,PetscViewerAndFormat *vf)
Collective

Input Parameters

svd  - singular value solver context
its  - iteration number
nconv  - number of converged singular triplets so far
sigma  - singular values
errest  - error estimates
nest  - number of error estimates to display
vf  - viewer and format for monitoring

Options Database Key

-svd_monitor  - activates SVDMonitorFirst()

See Also

SVDMonitorSet(), SVDMonitorAll(), SVDMonitorConditioning(), SVDMonitorConverged()

Level

intermediate

Location

src/svd/interface/svdmon.c

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