source:
pacpussensors/trunk/Vislab/lib3dv/eigen/doc/snippets/Tridiagonalization_compute.cpp@
136
| Last change on this file since 136 was 136, checked in by , 7 years ago | |
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| File size: 392 bytes | |
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| 1 | Tridiagonalization<MatrixXf> tri; |
| 2 | MatrixXf X = MatrixXf::Random(4,4); |
| 3 | MatrixXf A = X + X.transpose(); |
| 4 | tri.compute(A); |
| 5 | cout << "The matrix T in the tridiagonal decomposition of A is: " << endl; |
| 6 | cout << tri.matrixT() << endl; |
| 7 | tri.compute(2*A); // re-use tri to compute eigenvalues of 2A |
| 8 | cout << "The matrix T in the tridiagonal decomposition of 2A is: " << endl; |
| 9 | cout << tri.matrixT() << endl; |
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