| #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; | |
| } |