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Re: Replace and ReplaceAll -- simple application

  • To: mathgroup at smc.vnet.net
  • Subject: [mg105953] Re: [mg105922] Replace and ReplaceAll -- simple application
  • From: DrMajorBob <btreat1 at austin.rr.com>
  • Date: Sun, 27 Dec 2009 02:27:23 -0500 (EST)
  • References: <200912270006.TAA12080@smc.vnet.net>
  • Reply-to: drmajorbob at yahoo.com

1. (y1 - 1. yr) // Rationalize

y1 - yr

Bobby

On Sat, 26 Dec 2009 18:06:43 -0600, amannuc1  
<Anthony.J.Mannucci at jpl.nasa.gov> wrote:

> I am doing some manipulations in Mathematica and end up with
> constructs such as "1." in the expressions. I want to convert these to
> "1" and thereby eliminate them. However, these examples don't seem to
> work. This is Mathematica 7 on OS X.
>
> In[40]:=
> Replace[1.(y1-1.yr),1.->1]
> Out[40]= 1. (y1-1. yr) (* Nothing happens *)
>
> In[39]:=
> ReplaceAll[1.(y1-1.yr),1.->1]
> Out[39]= y1-1. yr (* Only first one is replaced *)
>
> Any help is appreciated. Thanks.
>
> -Tony
>


-- 
DrMajorBob at yahoo.com


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