#include <unsupported/Eigen/MatrixFunctions> #include <iostream> using namespace Eigen; int main() { Matrix4cd A = Matrix4cd::Random(); MatrixPower<Matrix4cd> Apow(A); std::cout << "The matrix A is:\n" << A << "\n\n" "A^3.1 is:\n" << Apow(3.1) << "\n\n" "A^3.3 is:\n" << Apow(3.3) << "\n\n" "A^3.7 is:\n" << Apow(3.7) << "\n\n" "A^3.9 is:\n" << Apow(3.9) << std::endl; return 0; }