Rasmus Munk LarsenandRasmus Munk Larsen
8a3d61c790
libeigen/eigen!2509 Closes #2868 Co-authored-by: Rasmus Munk Larsen <rmlarsen@gmail.com>
13 lines
477 B
C++
13 lines
477 B
C++
// SPDX-FileCopyrightText: The Eigen Authors
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// SPDX-License-Identifier: MPL-2.0
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Tridiagonalization<MatrixXf> tri;
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MatrixXf X = MatrixXf::Random(4, 4);
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MatrixXf A = X + X.transpose();
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tri.compute(A);
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cout << "The matrix T in the tridiagonal decomposition of A is: " << endl;
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cout << tri.matrixT() << endl;
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tri.compute(2 * A); // reuse tri to compute eigenvalues of 2A
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cout << "The matrix T in the tridiagonal decomposition of 2A is: " << endl;
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cout << tri.matrixT() << endl;
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