1c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan KamathMatrix3d m = Matrix3d::Identity(); 2c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathm.col(1) = Vector3d(4,5,6); 3c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathcout << m << endl; 4