Re: sum question
- To: mathgroup at smc.vnet.net
- Subject: [mg91242] Re: sum question
- From: David Bailey <dave at Remove_Thisdbailey.co.uk>
- Date: Mon, 11 Aug 2008 06:06:17 -0400 (EDT)
- References: <firstname.lastname@example.org>
Kopp, Philip F wrote:
> Hi, I am trying to work with a rather large sum(>200 terms) in Mathematica , but the program displays some odd behavior.
> When I multiply each term in the sum by 1, I get 1 for the answer. When I change 1 to 1.0, I get an incredibly large number for the answer.
> There seems to be some problem with using decimal numbers in this large sum. I tried Rationalize[1.0], and it works. What I am really trying to do is multiply each term by a different number(all less than one) that I calculated in another program. These numbers are in decimal form, so I run into the same problem. When I try rationalize here, it doen't fix the problem. Any other suggestions?
I think you will have to post some actual code in order to obtain a
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