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[136] | 1 | #include <Eigen/Dense>
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| 2 | #include <iostream>
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| 3 |
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| 4 | using namespace Eigen;
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| 5 | using namespace std;
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| 6 |
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| 7 | int main(int, char**)
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| 8 | {
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| 9 | cout.precision(3);
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| 10 | Matrix4d X = Matrix4d::Random(4,4);
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| 11 | Matrix4d A = X + X.transpose();
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| 12 | cout << "Here is a random symmetric 4x4 matrix:" << endl << A << endl;
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| 13 | Tridiagonalization<Matrix4d> triOfA(A);
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| 14 | Matrix4d pm = triOfA.packedMatrix();
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| 15 | cout << "The packed matrix M is:" << endl << pm << endl;
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| 16 | cout << "The diagonal and subdiagonal corresponds to the matrix T, which is:"
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| 17 | << endl << triOfA.matrixT() << endl;
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| 18 |
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| 19 | return 0;
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| 20 | }
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