eigen/doc/examples/tut_matrix_coefficient_accessors.cpp
2021-12-07 19:57:38 +00:00

17 lines
333 B
C++

#include <iostream>
#include <Eigen/Dense>
int main()
{
Eigen::MatrixXd m(2,2);
m(0,0) = 3;
m(1,0) = 2.5;
m(0,1) = -1;
m(1,1) = m(1,0) + m(0,1);
std::cout << "Here is the matrix m:\n" << m << std::endl;
Eigen::VectorXd v(2);
v(0) = 4;
v(1) = v(0) - 1;
std::cout << "Here is the vector v:\n" << v << std::endl;
}