When I compile a formula with following code:
\begin{eqnarray}\label{eq:derivativeES}
\dot{c}_k(t_j) &=& \frac{\dot{c}_k( t_{j+1})-\dot{c}_k(t_j)}{\triangle t},1\le j\le n-1,1\le k\le K
\end{eqnarray}
How to handle this type of problem ,as we can see formula overlap with label
