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MathGroup Archive 1996

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Re: ???? How to assign result from Solve to variable ????

  • To: mathgroup at smc.vnet.net
  • Subject: [mg3842] Re: ???? How to assign result from Solve to variable ????
  • From: rhall2 at umbc.edu (hall robert)
  • Date: Mon, 29 Apr 1996 00:32:19 -0400
  • Organization: University of Maryland, Baltimore County
  • Sender: owner-wri-mathgroup at wolfram.com

In article <4let71$e4m at dragonfly.wolfram.com>,
Ram Piyaket <rpiyaket at ucsd.edu> wrote:
>Hi,
>I was wondering if anyone could tell me how to deal with this problem.
>I want to assign the numerical result that I obtain from the Solve or etc. 
>command, which typically enclosed in the braces ({...}) to a variable
>so that I can reuse it. I just want the numerical number, not the braces.
>Can you tell me how? I appreciate all the help from you. Thank you very much.

In[36]:=
   a = Solve[3 x - 4 == 0, x] // Flatten
Out[36]=
         4
   {x -> -}
         3
In[47]:=
   x /. a
Out[47]=
   4
   -
   3

or

In[50]:=
   a[[1, 2]]
Out[50]=
   4
   -
   3

-- 
Bob Hall            | "Know thyself? Absurd direction!
rhall2 at gl.umbc.edu  |  Bubbles bear no introspection."  -Khushhal Khan Khatak

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