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9 lines
383 B
C++
9 lines
383 B
C++
Matrix3d m = Matrix3i::Zero();
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m.part<Eigen::StrictlyUpperTriangular>().setOnes();
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cout << "Here is the matrix m:" << endl << m << endl;
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cout << "And let us now compute m*m.adjoint() in a very optimized way" << endl
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<< "taking advantage of the symmetry." << endl;
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Matrix3d n;
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n.part<Eigen::SelfAdjoint>() = (m*m.adjoint()).lazy();
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cout << "The result is:" << endl << n << endl;
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