2 cout <<
"the absolute values:" << endl <<
v.array().abs() << endl;
3 cout <<
"the absolute values plus one:" << endl <<
v.array().abs()+1 << endl;
4 cout <<
"sum of the squares: " <<
v.array().square().sum() << endl;
Matrix< double, 3, 1 > Vector3d
3×1 vector of type double.