Fast Auxiliary Space Preconditioning  1.8.4 Feb/15/2016
eigen.c File Reference

Subroutines for computing the extreme eigenvalues. More...

#include <math.h>
#include "fasp.h"
#include "fasp_functs.h"

Go to the source code of this file.

Functions

REAL fasp_dcsr_eig (dCSRmat *A, const REAL tol, const INT maxit)
 Approximate the largest eigenvalue of A by the power method. More...
 

Detailed Description

Subroutines for computing the extreme eigenvalues.

Definition in file eigen.c.

Function Documentation

REAL fasp_dcsr_eig ( dCSRmat A,
const REAL  tol,
const INT  maxit 
)

Approximate the largest eigenvalue of A by the power method.

Parameters
APointer to the dCSRmat matrix
tolTolerance for stopping the power method
maxitMax number of iterations
Returns
Largest eigenvalue
Author
Xiaozhe Hu
Date
01/25/2011

Definition at line 29 of file eigen.c.