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MathGroup Archive 2006

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Re: Function argument

  • To: mathgroup at smc.vnet.net
  • Subject: [mg66973] Re: Function argument
  • From: "J Siehler" <jsiehler at gmail.com>
  • Date: Tue, 6 Jun 2006 06:26:55 -0400 (EDT)
  • References: <e60o3q$g5s$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Bonny wrote:
> I would like to define a function g that evaluates another function f at a
> given value. That is,
>
> g[a, f[x]] := f[a]

Better to just refer to function f by name rather than having to pass
the evaluation of f at 'x' every time you call g:

g[a_,f_]:=f[a]

f[x_]:=a*x^2+b*x+c

g[f,1]

g[Pi,Sin]

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