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Merge 76f6120 into 94f0fe4
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rainwoodman committed Dec 29, 2018
2 parents 94f0fe4 + 76f6120 commit 304ef35
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Expand Up @@ -125,7 +125,7 @@ Now we change integration variables :math:`\tilde{r}'\rightarrow c\tilde{r}'=y`:

.. math::
P_{\rm NFW}(<\tilde{r}) = \frac{\int_{0}^{c\tilde{r}}dy\frac{y}{(1 + y)^{2}}}{\int_{0}^{1}dy\frac{y}{(1 + y)^{2}}}
P_{\rm NFW}(<\tilde{r}) = \frac{\int_{0}^{c\tilde{r}}dy\frac{y}{(1 + y)^{2}}}{\int_{0}^{c}dy\frac{y}{(1 + y)^{2}}}
and use the definition of :math:`g(x) \equiv {\rm ln}(1+x) - x/(1+x) = \int_{0}^{x}dy\frac{y}{(1+y)^{2}}` to write the above expression as

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