mirror of
https://gitlab.com/libeigen/eigen.git
synced 2024-12-09 07:00:27 +08:00
19 lines
489 B
C++
19 lines
489 B
C++
#include <iostream>
|
|
#include <Eigen/Dense>
|
|
|
|
using namespace Eigen;
|
|
|
|
int main()
|
|
{
|
|
MatrixXd m(2,5);
|
|
m.resize(4,3);
|
|
std::cout << "The matrix m is of size "
|
|
<< m.rows() << "x" << m.cols() << std::endl;
|
|
std::cout << "It has " << m.size() << " coefficients" << std::endl;
|
|
VectorXd v(2);
|
|
v.resize(5);
|
|
std::cout << "The vector v is of size " << v.size() << std::endl;
|
|
std::cout << "As a matrix, v is of size "
|
|
<< v.rows() << "x" << v.cols() << std::endl;
|
|
}
|