threed-beam-fea/ext/eigen-3.3.4/unsupported/doc/examples/MatrixSinh.cpp

21 lines
524 B
C++

#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";
}