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