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Brian Jackson edited These_considerations_suggest_the_following__.tex
over 8 years ago
Commit id: 57cb3d419c2f1d0ae80e4f278b4993fb51e1a876
deletions | additions
diff --git a/These_considerations_suggest_the_following__.tex b/These_considerations_suggest_the_following__.tex
index 1f3f71b..9c2a1c4 100644
--- a/These_considerations_suggest_the_following__.tex
+++ b/These_considerations_suggest_the_following__.tex
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These considerations suggest the following:
\begin{eqnarray}
\label{eqn:difference_between_observed_density_points}
\rho(\Gamma_{\rm obs}, P_{\rm obs}) - \rho(\Gamma_0, P_{\rm
min}) th}) &=& &\int_{(\Gamma_{\rm obs}, P_{\rm obs})}^{(\Gamma_1, P_{\rm max})} \cdots db^\prime& - &\int_{(\Gamma_0, P_{\rm
min})}^{(\Gamma_1, th})}^{(\Gamma_1, P_{\rm max})} \cdots db^\prime& \\ &=& &\int_{(\Gamma_0, P_{\rm
min})}^{(\Gamma_{\rm th})}^{(\Gamma_{\rm obs}, P_{\rm obs})} \cdots db^\prime& = &\int_{b^\prime = 0}^{b} \cdots db^\prime &,
\end{eqnarray}
where we have suppressed the integrands for clarity. We can then differentiate both sides with respect to $b = \left( \Gamma_{\rm obs}/2\right) \left[ \left( P_{\rm obs} - P_{\rm
min} th} \right)/P_{\rm
min} th} \right]^{1/2}$, but, for the left-hand side, we will convert the $b$-derivative:
\begin{equation}
\label{eqn:b_derivative_into_P_obs_derivative}
\dfrac{d}{db} = 2 \left( \dfrac{2}{\Gamma_{\rm obs}} \right) \left( \dfrac{P_{\rm obs} - P_{\rm
min}}{P_{\rm min}} th}}{P_{\rm th}} \right)^{1/2} \left( P_{\rm obs}\ \dfrac{\partial}{\partial P_{\rm obs}} - \left( \dfrac{\Gamma_{\rm obs}}{2} \right) \dfrac{\partial}{\partial \Gamma_{\rm obs}} \right).
\end{equation}