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From "Mark R. Diggory" <mdigg...@latte.harvard.edu>
Subject Re: [math] Priorities, help needed
Date Wed, 21 May 2003 22:53:50 GMT
Phil Steitz wrote:

>Yes.  The computation is easy.  The question is is it a)
>more efficient and/or b) more accurate.  That is what we
>need to find out. 
>  
>

Details I've seen thus far describe it as more efficient to use the log 
approach. I think your points about accuracy and rounding are strong as 
well.

It really depends on the java.lang.Math approach to log() and exp(). 
Both these methods deligate to a native C implimentations deep in JVM.


Just some links through Google
http://mathforum.org/library/drmath/view/52804.html
http://www.buzzardsbay.org/geomean.htm
http://www.imsa.edu/edu/math/journal/volume3/articles/AlgebraAverages.pdf

-Mark



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