TutorialLinAlgSelfAdjointEigenSolver.cpp
No OneTemporary
Actions

Subscribers

None

File Metadata

	#include <iostream>
	#include <Eigen/Dense>

	using namespace std;
	using namespace Eigen;

	int main()
	{
	Matrix2f A;
	A << 1, 2, 2, 3;
	cout << "Here is the matrix A:\n" << A << endl;
	SelfAdjointEigenSolver<Matrix2f> eigensolver(A);
	if (eigensolver.info() != Success) abort();
	cout << "The eigenvalues of A are:\n" << eigensolver.eigenvalues() << endl;
	cout << "Here's a matrix whose columns are eigenvectors of A \n"
	<< "corresponding to these eigenvalues:\n"
	<< eigensolver.eigenvectors() << endl;
	}