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Re: Summation Problem w/ 5.0

  • To: mathgroup at smc.vnet.net
  • Subject: [mg43820] Re: Summation Problem w/ 5.0
  • From: andrea.knorr at engr.uconn.edu (Andrea)
  • Date: Tue, 7 Oct 2003 02:40:58 -0400 (EDT)
  • References: <bllp1h$c11$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Thanks for all the help, I found my error.  It turns out that out of
thousands of data points, one of the cells in the imported file I was
using had no value, so Mathematica didn't really know what to do at
that point.  Simple error to fix, difficult one to find.

~Andrea 


andrea.knorr at engr.uconn.edu (Andrea) wrote in message news:<bllp1h$c11$1 at smc.vnet.net>...
> Has anyone else had this problem with the new version?  I have created
> multiple lists with multiple elements, and I am trying to sum all
> elements of all lists.  As output I don't get a single value; instead
> I get several numbers separated by a plus sign.  For example, instead
> of Mathematica giving "2" as output, I get "1+1".  I'm pretty sure my
> code is correct, because if I stop my sum at a given element, I get a
> single number, but if I continue beyond that element I get output as I
> have described above.
> 
> (FYI, I'm using Mac OSX, version 10.2.6).
> 
> Thanks in advance for any help.
> ~Andrea


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