Replacement Rule
- To: mathgroup at smc.vnet.net
- Subject: [mg3887] Replacement Rule
- From: TTCJ34A at prodigy.com (DR JOHN C ERB)
- Date: Sat, 4 May 1996 23:22:06 -0400
- Sender: owner-wri-mathgroup at wolfram.com
Ram asked
>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.
Try using the Replacement Rule: /.
For Example:
Solve[x^2+3x+2==0];
{x1,x2}=x/.%;
You will find x1=-2, and x2=-1.
Regards,
John C. Erb
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