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*Subject*: **Re: [office-formula] Groups - OpenDocument Formula Specification2009-05-01 (ODT) (OpenDocument-formula-20090501.odt) uploaded**

*From*:**Andreas J Guelzow <aguelzow@math.concordia.ab.ca>***To*: office-formula@lists.oasis-open.org*Date*: Fri, 01 May 2009 08:11:03 -0600

On Fri, 2009-05-01 at 10:22 +0000, erack@sun.com wrote: > FDIST() > - If the numerator degrees of freedom (r1) is 1, then > the density function has a pole at x=0. The draft > spec does not define the return value in that case. > For x<0 it defines that the return value is 0. For > x>=0 it defines it with a term which has a subterm > x^(r1/2-1). And x^(-1/2) is not defined for x=0. > Mention that an error is to be returned in that case. > - Change ugly looking hard to read formula to better > one using {x}over{y} instead of x/y and use left( ... > right) braces. > FDIST is a density function. It should be defined for all values. Because of the pole in the expression, its return value should be defined to be 0 there. (The original mistake was to include x=0 with the positive rather than the negative x.) Andreas -- Andreas J. Guelzow Concordia University College of Alberta

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