General ⇒ Overriding enumeration of equations

[yoda]

Hi, I´m quite new in Latex, so I would appreciate if you can help me.
The point is, I like to introduce an equation, but I want to override the number of the equation (because I re-write the equation from a previous chapter). Here is my attempt,

\begin{equation*}
\Delta R_r=\frac{1}{E_s}[(1+\nu_s+\nu_m)\overline{\sigma_r}] \qquad (\ref{eq:deltaRr})
\end{equation*}

where \ref{eq:deltaRr} is the label of this equation introduced in a previous chapter. The problem is that on the one hand, the spacing \qquad is insufficient and on the other hand, the equation is no longer centered.

It would be great if there´s a command like \flushright that could be used in the mathematical environment.

Thanks

[Juanjo]

Try this:

Code: Select all

\begin{equation*}
   \Delta R_r=\frac{1}{E_s}[(1+\nu_s+\nu_m)\overline{\sigma_r}] \tag{\ref{eq:deltaRr}}
\end{equation*}

[yoda]

Thanks Juanjo, that is what I need!!!