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Re: Integration Problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg126363] Re: Integration Problem
  • From: Sseziwa Mukasa <mukasa at gmail.com>
  • Date: Thu, 3 May 2012 22:24:31 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <201205030834.EAA29972@smc.vnet.net>

Numerical precision, the first is done in exact precision, the second using machine floating point precision.

On May 3, 2012, at 4:34 AM, Michael Musheghian <michael.musheghian at gmail.com> wrote:

> Greetings!
>
> I found that evaluation of this 2 integrals yield a bit different result. What could be the reason?
>
> Integrate[E^(-1/10 ((1 + r2z)^2)), {r2z, -Infinity, Infinity}]
>
> Integrate[E^(-0.1 ((1 + r2z)^2)), {r2z, -Infinity, Infinity}]
>



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