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Re: Some Easy (hopefully) Questions


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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