mesytec-mnode/external/taskflow-3.8.0/3rd-party/eigen-3.3.7/doc/snippets/EigenSolver_compute.cpp

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2025-01-04 01:25:05 +01:00
EigenSolver<MatrixXf> es;
MatrixXf A = MatrixXf::Random(4,4);
es.compute(A, /* computeEigenvectors = */ false);
cout << "The eigenvalues of A are: " << es.eigenvalues().transpose() << endl;
es.compute(A + MatrixXf::Identity(4,4), false); // re-use es to compute eigenvalues of A+I
cout << "The eigenvalues of A+I are: " << es.eigenvalues().transpose() << endl;