deletions | additions       diff --git a/Convective Velocities.tex b/Convective Velocities.tex  index f2e221f..7e2082e 100644  --- a/Convective Velocities.tex  +++ b/Convective Velocities.tex 
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\frac{\D\rho}{\rho} = \alpha \frac{\D\P}{\P} - \delta \frac{\D T}{T} + \phi {\D\mu}{\mu}   \end{equation}  Where   $ \phi \equiv \bigg(\frac{\partial \ln \rho}{\partial \ln \mu} \bigg)_{\P,T} \bigg)_{\P,T},  \; \delta \equiv - \bigg(\frac{\partial \ln \rho}{\partial \ln T} \bigg)_{\P,\mu} \bigg)_{\P,\mu},  \; \alpha \equiv \bigg(\frac{\partial \ln \rho}{\partial \ln \P} \bigg)_{\mu,T}$ and for an ideal gas $\alpha = \delta = \phi = 1$  write, assuming again pressure equilibr