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- Matrix3d m = Matrix3d::Zero();
- m.triangularView<Eigen::Upper>().setOnes();
- cout << "Here is the matrix m:\n" << m << endl;
- Matrix3d n = Matrix3d::Ones();
- n.triangularView<Eigen::Lower>() *= 2;
- cout << "Here is the matrix n:\n" << n << endl;
- cout << "And now here is m.inverse()*n, taking advantage of the fact that"
- " m is upper-triangular:\n"
- << m.triangularView<Eigen::Upper>().solve(n) << endl;
- cout << "And this is n*m.inverse():\n"
- << m.triangularView<Eigen::Upper>().solve<Eigen::OnTheRight>(n);
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