PETSc version 3.15.5
MatCreateNormal
Creates a new matrix object that behaves like A'*A. 
Synopsis
#include "petscmat.h" 
PetscErrorCode  MatCreateNormal(Mat A,Mat *N)
Collective on Mat
Input Parameter
|  | A | - the (possibly rectangular) matrix | 
Output Parameter
|  | N | - the matrix that represents A'*A | 
Notes
The product A'*A is NOT actually formed! Rather the new matrix
object performs the matrix-vector product by first multiplying by
A and then A'
Level
intermediate
Location
src/mat/impls/normal/normm.c
Examples
src/ksp/ksp/tutorials/ex27.c.html
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages