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Re: number dot (with space)

  • To: mathgroup at smc.vnet.net
  • Subject: [mg99812] Re: [mg99773] number dot (with space)
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Fri, 15 May 2009 04:18:43 -0400 (EDT)
  • Reply-to: hanlonr at cox.net

The coefficient of g is approximately 1 and the space is implied 
multiplication of the inexact 1 times g. You will also sometimes get an 
approximate zero as a coefficient.

expr = (-1. g + r)^4

(r - 1.*g)^4

expr // Rationalize

(r - g)^4



Bob Hanlon


On Thu, May 14, 2009 at 12:45 PM , Emin Gahramanov wrote:

> Hi guys,
> sorry for the silly question (I am a Mathematica dummy). I have 
> integrated out an expression, and I do not know how to interpret the 
> term like this:
> (-1. g + r)^4)
> What throws me off is "1. g" (g is a parameter), what is that dot 
> after one
>  and there is also a SPACE after the dot and before "g" symbol. 
> Sometimes I
>  get smth. like "1. r" what is that supposed to mean? If r=2, then how 
> to
>  interpret the latter? Is it 1.2?? Or? Thanks.


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