RH fixed some labelling
@@ -144,7 +144,7 @@ and $a(\chi)$, the inverse of $\chi(a)$.
%-------------------------------------------------------------------------------
\subsection{Growth of perturbations}
\vol{Mustapha Ishak}
-
+\label{sec:growth}
To compute the growth function, $D(a)$, the growth factor of matter perturbations, \ccl solves the following differential equation:
\begin{equation}
\frac{d}{da}\left(a^3H(a)\frac{dD}{da}\right)=\frac{3}{2}\Omega_M(a)aH(a)D,
@@ -404,7 +404,7 @@ where $h_{\rm P}$ is Planck's constant and $h$ is $H_0/100$ with $H_0$ in units
%-------------------------------------------------------------------------------
\subsection{Background functions \& growth of perturbations}
\vol{Mustapha Ishak}
-
+\label{sec:distances}
\cont{Initial conditions. Normalization. Units and sensitivity to physical constants (G, c etc).}
Including/excluding radiation in the computation of the comoving distances and the growth function can easily make a difference of $10^{-4}$ at the redshifts required in this comparison.
