view src/armadillo-test.cpp @ 4035:66cb6f6de8f7

arpack: update to get source from github * src/arpack.mk: update to get source from https://github.com/opencollab/arpack-ng/archive/$($(PKG)_VERSION).tar.gz
author John Donoghue
date Tue, 29 Sep 2015 12:48:32 -0400
parents 82d1044a4434
children
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/*
 * This file is part of MXE.
 * See index.html for further information.
 */

#include <armadillo>

using namespace arma;

int main()
{
	mat A = randu<mat>(50,50);
	mat B = trans(A)*A;  // generate a symmetric matrix
	
	vec eigval;
	mat eigvec;
	
	// use standard algorithm by default
	eig_sym(eigval, eigvec, B);
	
	// use divide & conquer algorithm
	eig_sym(eigval, eigvec, B, "dc");
	return 0;
}