Hi, I am new to Eigen, forgive me if I ask stupid questions.

In matlab, we can use x(i,:) or x(:,i) to get a specific row/col, i was wondering if there is something similar in Eigen.

Thanks very much.

Just use x.col(i) x.row(i)

This will be helpful in the beginning:
http://eigen.tuxfamily.org/dox-devel/QuickRefPage.html

Thank you very much, manuels.