Re: Re: Re: error with Sum and Infinity

*To*: mathgroup at smc.vnet.net*Subject*: [mg102474] Re: [mg102399] Re: [mg102387] Re: error with Sum and Infinity*From*: DrMajorBob <btreat1 at austin.rr.com>*Date*: Mon, 10 Aug 2009 04:16:57 -0400 (EDT)*References*: <h5bk64$hlm$1@smc.vnet.net> <200908070932.FAA15211@smc.vnet.net>*Reply-to*: drmajorbob at bigfoot.com

> I think you flatter yourself and mathgroup to think that "most > experienced users" will have read your post from March, 2007. Self-evident. > If it is not in the documentation, the rules of the game mean that WRI > is free to change that magic number, or eliminate it, without notice, so > any experienced user would be loathe to take advantage of it for fear > that any program utilizing it would cease to work in a new version. True again. My wife works in the pharmaceutical industry, where the FDA-enforced motto is, "If it isn't documented, it didn't happen." Bobby On Sat, 08 Aug 2009 03:36:57 -0500, Richard Fateman <fateman at cs.berkeley.edu> wrote: > Andrzej Kozlowski wrote: >> >> On 7 Aug 2009, at 18:32, Richard Fateman wrote: >> >>> Well, see Elton TeKolste's remarkable post. >>> I doubt that the "feature" he illustrates would be known even by most >>> experienced users. >> >> >> Well, you are wrong. For example, check this post (about the fastest >> way of adding up a billion numbers) >> >> http://forums.wolfram.com/mathgroup/archive/2007/Mar/msg00565.html >> >> and the rest of the discussion. > > I think you flatter yourself and mathgroup to think that "most > experienced users" will have read your post from March, 2007. > I just checked the documentation and I see no notice of that magic > number (though maybe it is there somewhere and I missed it??). > > > Is there a way of finding that magic number without experimentation or > "insider" knowledge? Would "most experienced users" know that? > > If it is not in the documentation, the rules of the game mean that WRI > is free to change that magic number, or eliminate it, without notice, so > any experienced user would be loathe to take advantage of it for fear > that any program utilizing it would cease to work in a new version. > > RJF > > > -- DrMajorBob at bigfoot.com

**References**:**Re: error with Sum and Infinity***From:*Richard Fateman <fateman@cs.berkeley.edu>