| // SPDX-FileCopyrightText: The Eigen Authors |
| // SPDX-License-Identifier: MPL-2.0 |
| |
| Matrix4d A = Matrix4d::Random(4, 4); |
| cout << "Here is a random 4x4 matrix:" << endl << A << endl; |
| HessenbergDecomposition<Matrix4d> hessOfA(A); |
| Matrix4d pm = hessOfA.packedMatrix(); |
| cout << "The packed matrix M is:" << endl << pm << endl; |
| cout << "The upper Hessenberg part corresponds to the matrix H, which is:" << endl << hessOfA.matrixH() << endl; |
| Vector3d hc = hessOfA.householderCoefficients(); |
| cout << "The vector of Householder coefficients is:" << endl << hc << endl; |
