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

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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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