FastDeploy/third_party/eigen/unsupported/doc/examples/MatrixSinh.cpp

#include <iostream>
#include <unsupported/Eigen/MatrixFunctions>

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";
}