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MathGroup Archive 2004

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Re: Summation limits

  • To: mathgroup at
  • Subject: [mg46675] Re: Summation limits
  • From: tinkham at (tinkham)
  • Date: Fri, 27 Feb 2004 19:32:04 -0500 (EST)
  • References: <c1lu5g$nse$> <c1mtnt$jjg$>
  • Sender: owner-wri-mathgroup at

Paul Abbott <paul at> wrote in message 
> In article <>, tinkham at (tinkham) 
> wrote:
> > I realize that I can just wrap the expression being summed in an
> > If[i!=p, ...], but it would be nice if I could just put this test in
> > the lower limit.
> There is a way to do this: use the Notation package to define your own 
> input notation that accepts a lower limit of the form, say i != 1 = p. 
> See

Thanks Paul, the Utilities`Notation` package worked beautifully for that.

> Cheers,
> Paul

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