Files
FastDeploy/third_party/eigen/unsupported/doc/examples/MatrixSine.cpp
Jack Zhou 355382ad63 Move eigen to third party (#282)
* remove useless statement

* Add eigen to third_party dir

* remove reducdant lines
2022-09-26 19:24:02 +08:00

21 lines
522 B
C++

#include <iostream>
#include <unsupported/Eigen/MatrixFunctions>
using namespace Eigen;
int main() {
MatrixXd A = MatrixXd::Random(3, 3);
std::cout << "A = \n" << A << "\n\n";
MatrixXd sinA = A.sin();
std::cout << "sin(A) = \n" << sinA << "\n\n";
MatrixXd cosA = A.cos();
std::cout << "cos(A) = \n" << cosA << "\n\n";
// The matrix functions satisfy sin^2(A) + cos^2(A) = I,
// like the scalar functions.
std::cout << "sin^2(A) + cos^2(A) = \n"
<< sinA * sinA + cosA * cosA << "\n\n";
}