1 #include <iostream> 2 #include <Eigen/Dense> 3 4 using namespace Eigen; 5 int main() 6 { 7 Matrix2d mat; 8 mat << 1, 2, 9 3, 4; 10 Vector2d u(-1,1), v(2,0); 11 std::cout << "Here is mat*mat:\n" << mat*mat << std::endl; 12 std::cout << "Here is mat*u:\n" << mat*u << std::endl; 13 std::cout << "Here is u^T*mat:\n" << u.transpose()*mat << std::endl; 14 std::cout << "Here is u^T*v:\n" << u.transpose()*v << std::endl; 15 std::cout << "Here is u*v^T:\n" << u*v.transpose() << std::endl; 16 std::cout << "Let's multiply mat by itself" << std::endl; 17 mat = mat*mat; 18 std::cout << "Now mat is mat:\n" << mat << std::endl; 19 } 20
