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MathGroup Archive 2007

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Re: Function as an argument

  • To: mathgroup at smc.vnet.net
  • Subject: [mg76695] Re: [mg76625] Function as an argument
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Sat, 26 May 2007 04:23:33 -0400 (EDT)
  • Reply-to: hanlonr at cox.net

ss[x_] = 2 + x^3;
MyFunction[expression_] := expression[2];

MyFunction[ss]

10

The argument must be a function

MyFunction[2 + #^3 &]

10


Bob Hanlon

---- dXdYdZdu <dxdydzdu at gmail.com> wrote: 
> Hi, I have problem. I want to do something like this:
> 
> ss[x_] = 2 + x^3 ;
> MyFunction[expression_] := Module[{}, Return[expression[2]]]
> Calling MyFunction[ss] will produce 10 and this is working case.
> 
> but this is what I can not do:
> 
> MyFunction[2 + x^3]
> 
> Is there a way to make this to work as well?
> 


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