source:
pacpussensors/trunk/Vislab/lib3dv/eigen/doc/snippets/PartialPivLU_solve.cpp@
138
Last change on this file since 138 was 136, checked in by , 8 years ago | |
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File size: 372 bytes |
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1 | MatrixXd A = MatrixXd::Random(3,3); |
2 | MatrixXd B = MatrixXd::Random(3,2); |
3 | cout << "Here is the invertible matrix A:" << endl << A << endl; |
4 | cout << "Here is the matrix B:" << endl << B << endl; |
5 | MatrixXd X = A.lu().solve(B); |
6 | cout << "Here is the (unique) solution X to the equation AX=B:" << endl << X << endl; |
7 | cout << "Relative error: " << (A*X-B).norm() / B.norm() << endl; |
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