You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
469 B
23 lines
469 B
#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"; |
|
}
|
|
|