1*bf2c3715SXin Li #include <unsupported/Eigen/MatrixFunctions> 2*bf2c3715SXin Li #include <iostream> 3*bf2c3715SXin Li 4*bf2c3715SXin Li using namespace Eigen; 5*bf2c3715SXin Li main()6*bf2c3715SXin Liint main() 7*bf2c3715SXin Li { 8*bf2c3715SXin Li using std::sqrt; 9*bf2c3715SXin Li MatrixXd A(3,3); 10*bf2c3715SXin Li A << 0.5*sqrt(2), -0.5*sqrt(2), 0, 11*bf2c3715SXin Li 0.5*sqrt(2), 0.5*sqrt(2), 0, 12*bf2c3715SXin Li 0, 0, 1; 13*bf2c3715SXin Li std::cout << "The matrix A is:\n" << A << "\n\n"; 14*bf2c3715SXin Li std::cout << "The matrix logarithm of A is:\n" << A.log() << "\n"; 15*bf2c3715SXin Li } 16