Revision 1254
trunk/contrib/statslib/dgamma.cpp (revision 1254)  

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* \f$ V(x)=a/b^2 \f$. Note that you can also derive \f$a\f$ and \f$b\f$ from 
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* the expected value and variance via: 
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* \f[ 
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* a = \frac{E(x)^2}{V(x)}, \quad b=\frac{E(x)}{V(x)}


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* a = \frac{E(x)^2}{V(x)}, \quad b=\frac{a}{V(x)}


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* \f] 
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* 
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* 
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