eigen/doc/examples/QuickStart_example2_dynamic.cpp

15 lines
340 B
C++

#include <iostream>
#include <Eigen/Dense>
using Eigen::MatrixXd;
using Eigen::VectorXd;
int main() {
MatrixXd m = MatrixXd::Random(3, 3);
m = (m + MatrixXd::Constant(3, 3, 1.2)) * 50;
std::cout << "m =" << std::endl << m << std::endl;
VectorXd v(3);
v << 1, 2, 3;
std::cout << "m * v =" << std::endl << m * v << std::endl;
}