Changes between Version 14 and Version 15 of SelfGravityDevel

Timestamp:

03/05/12 13:52:23 (13 years ago)

Author:

Baowei Liu

Comment:

—

SelfGravityDevel

@@ -34 +34 @@
 \end{equation}
 }}}
+Use spherical coordinates, the Poisson equation for the density distribution [[latex(\ref{eq:uniDensity})]] can be written as
 
+{{{
+#!latex
+\begin{equation}\label{eq:poissonSphCoord}
+\frac{1}{r^{2}}\frac{\partial }{\partial r}\left(r^{2}\frac{\partial\phi}{\partial r} \right)=4\pi G\rho
+\end{equation}
+}}}
+
+Or
+{{{
+#!latex
+\begin{equation}\label{eq:poissonSphCoord1}
+\frac{\partial ^{2}\phi }{\partial r^{2}}+\frac{2}{r}\frac{\partial\phi}{\partial r}=4\pi G\rho
+\end{equation}
+
+}}}
 == Implementation ==