#include "slepcsys.h" PetscErrorCode MatNormEstimate(Mat A,Vec vrn,Vec w,PetscReal *nrm)Collective on A
| A | - the matrix | |
| vrn | - random vector with normally distributed entries (can be NULL) | |
| w | - workspace vector (can be NULL) |
| nrm | - the norm estimate |
The input vector vrn must have unit 2-norm. If vrn is NULL, then it is created internally and filled with VecSetRandomNormal().
Location: src/sys/mat/matutil.c
Index of all sys routines
Table of Contents for all manual pages
Index of all manual pages