slepc-main 2024-11-15
DSPseudoOrthogonalize
Orthogonalize the columns of a matrix with Modified Gram-Schmidt in an indefinite inner product space defined by a signature.
Synopsis
#include "slepcds.h"
PetscErrorCode DSPseudoOrthogonalize(DS ds,DSMatType mat,PetscInt cols,PetscReal s[],PetscInt *lindcols,PetscReal ns[])
Logically Collective
Input Parameters
| ds | - the direct solver context
|
| mat | - the matrix
|
| cols | - number of columns to orthogonalize (starting from column zero)
|
| s | - the signature that defines the inner product
|
Output Parameters
| lindcols | - (optional) linearly independent columns of the matrix
|
| ns | - (optional) the new signature of the vectors
|
Note
After the call the matrix satisfies A'*s*A = ns.
See Also
DSOrthogonalize()
Level
developer
Location
src/sys/classes/ds/interface/dspriv.c
Index of all DS routines
Table of Contents for all manual pages
Index of all manual pages