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| #include <unsupported/Eigen/MatrixFunctions>
| #include <iostream>
|
| using namespace Eigen;
|
| std::complex<double> expfn(std::complex<double> x, int)
| {
| return std::exp(x);
| }
|
| int main()
| {
| const double pi = std::acos(-1.0);
|
| MatrixXd A(3,3);
| A << 0, -pi/4, 0,
| pi/4, 0, 0,
| 0, 0, 0;
|
| std::cout << "The matrix A is:\n" << A << "\n\n";
| std::cout << "The matrix exponential of A is:\n"
| << A.matrixFunction(expfn) << "\n\n";
| }
|
|