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MathGroup Archive 2006

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Re: Product and Summation sign

  • To: mathgroup at smc.vnet.net
  • Subject: [mg66820] Re: Product and Summation sign
  • From: Peter Breitfeld <phbrf at t-online.de>
  • Date: Wed, 31 May 2006 06:31:35 -0400 (EDT)
  • References: <e5h5d7$eo7$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

actuary at mchsi.com schrieb:
> While a Mathematica user for some time,  use has been limited to number
> crunching and not symbolic manipulations.  I started to remedy this
> over the weekend.
>
> I entered Sum[x[i],{i,1,50}] expecting to see a response with Summation
> sign.  Instead the output was x[1}+x[2]+x[3]+.....
>
> What do I need to do to get output that includes the Summation sign?
> StandardForm was checked.

Sum[x[i],{i,1,50}] // HoldForm

Gruss Peter
-- 
==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==
Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de


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