BlaEigen.c File Reference

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

Detailed Description

Computing the extreme eigenvalues.

Note

This file contains Level-1 (Bla) functions. It requires: AuxVector.c, BlaArray.c, BlaSpmvCSR.c, and BlaVector.c

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Copyright (C) 2009–Present by the FASP team. All rights reserved.

Released under the terms of the GNU Lesser General Public License 3.0 or later.

Definition in file BlaEigen.c.

Function Documentation

fasp_dcsr_maxeig()

REAL fasp_dcsr_maxeig	(	const dCSRmat *	A,
		const REAL	tol,
		const INT	maxit
	)

Approximate the largest eigenvalue of A by the power method.

Parameters

A	Pointer to the dCSRmat matrix
tol	Tolerance for stopping the power method
maxit	Max number of iterations

Returns

Largest eigenvalue

Author

Xiaozhe Hu

Date

01/25/2011

Definition at line 37 of file BlaEigen.c.