Merge pull request scikit-learn#2708 from likang7/patch-3

agramfort · agramfort · commit 4791c48f09b8 · 2014-01-03T00:30:11.000-08:00
Update dp-derivation.rst
diff --git a/doc/modules/dp-derivation.rst b/doc/modules/dp-derivation.rst
@@ -1,4 +1,3 @@
-
 .. _dpgmm_derivation:
 
 .. currentmodule:: sklearn.mixture
@@ -157,7 +156,7 @@ distribution.
   && E_q[\log P(z)] - E_q[\log Q(z)] \\
   &=&
   \sum_{k} \left( 
-       \left(\sum_{j=k+1}^K  \nu_{z_{i,j}}\right)(\Psi(\gamma{k,1})-\Psi(\gamma{k,1}+\gamma_{k,2})) 
+       \left(\sum_{j=k+1}^K  \nu_{z_{i,j}}\right)(\Psi(\gamma_{k,2})-\Psi(\gamma_{k,1}+\gamma_{k,2})) 
    +  \nu_{z_{i,k}}(\Psi(\gamma_{k,1})-\Psi(\gamma_{k,1}+\gamma_{k,2}))
    - \log \nu_{z_{i,k}} \right)
   \end{array}
