00001 #include <Eigen/Dense> 00002 #include <iostream> 00003 00004 using namespace std; 00005 00006 int main() 00007 { 00008 Eigen::MatrixXf m(3,3); 00009 m << 1,2,3, 00010 4,5,6, 00011 7,8,9; 00012 cout << "Here is the matrix m:" << endl << m << endl; 00013 cout << "2nd Row: " << m.row(1) << endl; 00014 m.col(2) += 3 * m.col(0); 00015 cout << "After adding 3 times the first column into the third column, the matrix m is:\n"; 00016 cout << m << endl; 00017 }