xref: /aosp_15_r20/external/eigen/doc/snippets/HessenbergDecomposition_compute.cpp (revision bf2c37156dfe67e5dfebd6d394bad8b2ab5804d4)
1 MatrixXcf A = MatrixXcf::Random(4,4);
2 HessenbergDecomposition<MatrixXcf> hd(4);
3 hd.compute(A);
4 cout << "The matrix H in the decomposition of A is:" << endl << hd.matrixH() << endl;
5 hd.compute(2*A); // re-use hd to compute and store decomposition of 2A
6 cout << "The matrix H in the decomposition of 2A is:" << endl << hd.matrixH() << endl;
7