doc/snippets/SelfAdjointView_eigenvalues.cpp

*bf2c3715SXin LiMatrixXd ones = MatrixXd::Ones(3,3);
*bf2c3715SXin LiVectorXd eivals = ones.selfadjointView<Lower>().eigenvalues();
*bf2c3715SXin Licout << "The eigenvalues of the 3x3 matrix of ones are:" << endl << eivals << endl;