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 X = Matrix4d::Random(4,4);
00017 Matrix4d A = X + X.transpose();
00018 cout << "Here is a random symmetric 4x4 matrix:" << endl << A << endl;
00019 Tridiagonalization<Matrix4d> triOfA(A);
00020 Matrix4d pm = triOfA.packedMatrix();
00021 cout << "The packed matrix M is:" << endl << pm << endl;
00022 cout << "The diagonal and subdiagonal corresponds to the matrix T, which is:"
00023 << endl << triOfA.matrixT() << endl;
00024
00025 return 0;
00026 }