| #include <unsupported/Eigen/MatrixFunctions> | |
| #include <iostream> | |
| using namespace Eigen; | |
| int main() | |
| { | |
| const double pi = std::acos(-1.0); | |
| Matrix3d A; | |
| A << cos(1), -sin(1), 0, | |
| sin(1), cos(1), 0, | |
| 0 , 0 , 1; | |
| std::cout << "The matrix A is:\n" << A << "\n\n" | |
| "The matrix power A^(pi/4) is:\n" << A.pow(pi/4) << std::endl; | |
| return 0; | |
| } |