ML_Anasazi Namespace Reference

ML_Anasazi: default namespace for all Anasazi interfaces. More...


Functions

int Interface (const Epetra_RowMatrix *RowMatrix, Epetra_MultiVector &EigenVectors, double RealEigenvalues[], double ImagEigenvalues[], Teuchos::ParameterList &List, double RealEigenvectors[]=0, double ImagEigenvectors[]=0, int *NumRealEigenvectors=0, int *NumImagEigenvectors=0, ML *ml=0)
 Interface to Anasazi to eigen-computations.
int GetFieldOfValuesBox (const Epetra_RowMatrix *RowMatrix, double &MaxReal, double &MaxImag, Teuchos::ParameterList &AnasaziList)
 Computes the size of a box containing the field of values.


Detailed Description

ML_Anasazi: default namespace for all Anasazi interfaces.

Function Documentation

int ML_Anasazi::Interface ( const Epetra_RowMatrix RowMatrix,
Epetra_MultiVector EigenVectors,
double  RealEigenvalues[],
double  ImagEigenvalues[],
Teuchos::ParameterList List,
double  RealEigenvectors[] = 0,
double  ImagEigenvectors[] = 0,
int *  NumRealEigenvectors = 0,
int *  NumImagEigenvectors = 0,
ML ml = 0 
)

Interface to Anasazi to eigen-computations.

This function creates an interface from an Epetra_RowMatrix and Anasazi. Parameters are specified using a Teuchos parameters list.

Parameters:
RowMatrix (In) : Epetra_RowMatrix;
EigenVectors (Out) : Epetra_MultiVectors, that will contain the requested eigenvectors;
RealEigenvalues (Out) : double array that will contain the real part of the computed eigenvalues;
ImagEigenvalues (Out) : double array that will contain the imaginary part of the computed eigenvalues;
RealEigenvectors (Out) : pointer to allocated space to store the real eigenvectors
ImagEigenvectors (Out) : pointer to allocated space to store the imaginary eigenvectors
NumRealEigenvectors (Out) : number of computed real eigenvectors
NumImagEigenvectors (Out) : number of computed imaginary eigenvectors
List (InOut) : Teuchos parameters' list containing the required options.
ml (In) : already filled ML hierarchy (only for the eigen-analysis of "I-ML^{-1}A").
The following parameters parsed from List:


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