source:
pacpussensors/trunk/Vislab/lib3dv/eigen/doc/snippets/SelfAdjointEigenSolver_operatorSqrt.cpp@
138
Last change on this file since 138 was 136, checked in by , 8 years ago | |
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File size: 363 bytes |
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1 | MatrixXd X = MatrixXd::Random(4,4); |
2 | MatrixXd A = X * X.transpose(); |
3 | cout << "Here is a random positive-definite matrix, A:" << endl << A << endl << endl; |
4 | |
5 | SelfAdjointEigenSolver<MatrixXd> es(A); |
6 | MatrixXd sqrtA = es.operatorSqrt(); |
7 | cout << "The square root of A is: " << endl << sqrtA << endl; |
8 | cout << "If we square this, we get: " << endl << sqrtA*sqrtA << endl; |
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