MatLMVMGetHistorySize

Get the number of past iterates stored for the construction of the limited-memory quasi-Newton update

Synopsis

#include "petscksp.h" 
PetscErrorCode MatLMVMGetHistorySize(Mat B, PetscInt *hist_size)

Not Collective

Input Parameter

• B - A MATLMVM matrix

Output Parameter

• hist_size - number of past iterates stored

See Also

KSP: Linear System Solvers, LMVM Matrices, MATLMVM, MatLMVMSetHistorySize(), MatLMVMGetUpdateCount()

Level

intermediate

Location

src/ksp/ksp/utils/lmvm/lmvmutils.c

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