i have writed an article in two column and it's work nice but when i want to center an equation in each of these columns it don't work, the equation is not center...
can you help me please because i don't understand : i have try with and without "begin(center)" and it don't works (see attachement)
Code: Select all
\begin{equation}
\lambda=4\pi
\label{eq1}
\end{equation}