1 #include <unsupported/Eigen/MatrixFunctions> 2 #include <iostream> 3 4 using namespace Eigen; 5 6 int main() 7 { 8 MatrixXd A = MatrixXd::Random(3,3); 9 std::cout << "A = \n" << A << "\n\n"; 10 11 MatrixXd sinA = A.sin(); 12 std::cout << "sin(A) = \n" << sinA << "\n\n"; 13 14 MatrixXd cosA = A.cos(); 15 std::cout << "cos(A) = \n" << cosA << "\n\n"; 16 17 // The matrix functions satisfy sin^2(A) + cos^2(A) = I, 18 // like the scalar functions. 19 std::cout << "sin^2(A) + cos^2(A) = \n" << sinA*sinA + cosA*cosA << "\n\n"; 20 } 21
