#include <unsupported/Eigen/MatrixFunctions> #include <iostream> using namespace Eigen; int main() { MatrixXf A = MatrixXf::Random(3,3); std::cout << "A = \n" << A << "\n\n"; MatrixXf sinhA = A.sinh(); std::cout << "sinh(A) = \n" << sinhA << "\n\n"; MatrixXf coshA = A.cosh(); std::cout << "cosh(A) = \n" << coshA << "\n\n"; // The matrix functions satisfy cosh^2(A) - sinh^2(A) = I, // like the scalar functions. std::cout << "cosh^2(A) - sinh^2(A) = \n" << coshA*coshA - sinhA*sinhA << "\n\n"; }