Re: Some Easy (hopefully) Questions
- To: mathgroup at christensen.cybernetics.net
- Subject: [mg2039] Re: Some Easy (hopefully) Questions
- From: Felix Holderied <felix at ira.uka.de>
- Date: Sat, 16 Sep 1995 01:41:52 -0400
- Organization: IRF Uni-Karlsruhe
Rob Carscadden wrote:
> possmax = Solve[(x - 1)^2 == 0,x] // N
>
> I get {{x -> 1.},{x ->1.}}
>
> possmax[[1]]
>
> I get {x ->1.}
>
> but I want the number 1 instead.
Try
x /.possmax[[1]]
Why?
In[1]:= ?/.
expr /. rules applies a rule or list of rules in an attempt
to transform each subpart of an expression expr.
Greetings, Felix
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Felix Holderied
Institut fuer Rechnerentwurf und Fehlertoleranz
Fakultaet fuer Informatik, Universitaet Karlsruhe
email: felix at ira.uka.de
tel: 0721 / 608 4354
www: http://goethe.ira.uka.de/people/felix/
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