Go to the documentation of this file.00001 #include <Eigen/Core>
00002 #include <Eigen/LU>
00003 #include <Eigen/QR>
00004 #include <Eigen/Cholesky>
00005 #include <Eigen/Geometry>
00006 #include <Eigen/Jacobi>
00007 #include <Eigen/Eigenvalues>
00008 #include <iostream>
00009
00010 using namespace Eigen;
00011 using namespace std;
00012
00013 int main(int, char**)
00014 {
00015 cout.precision(3);
00016 Matrix4d A = Matrix4d::Random(4,4);
00017 cout << "Here is a random 4x4 matrix:" << endl << A << endl;
00018 HessenbergDecomposition<Matrix4d> hessOfA(A);
00019 Matrix4d pm = hessOfA.packedMatrix();
00020 cout << "The packed matrix M is:" << endl << pm << endl;
00021 cout << "The upper Hessenberg part corresponds to the matrix H, which is:"
00022 << endl << hessOfA.matrixH() << endl;
00023 Vector3d hc = hessOfA.householderCoefficients();
00024 cout << "The vector of Householder coefficients is:" << endl << hc << endl;
00025
00026 return 0;
00027 }