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6 lines
361 B
6 lines
361 B
EigenSolver<MatrixXf> es;
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MatrixXf A = MatrixXf::Random(4,4);
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es.compute(A, /* computeEigenvectors = */ false);
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cout << "The eigenvalues of A are: " << es.eigenvalues().transpose() << endl;
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es.compute(A + MatrixXf::Identity(4,4), false); // re-use es to compute eigenvalues of A+I
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cout << "The eigenvalues of A+I are: " << es.eigenvalues().transpose() << endl;
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