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MathGroup Archive 1999

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Re: F[f_,x_]:=f[x] ?

  • To: mathgroup at
  • Subject: [mg19874] Re: [mg19819] F[f_,x_]:=f[x] ?
  • From: "Mark E. Harder" <harderm at>
  • Date: Sun, 19 Sep 1999 01:20:56 -0400
  • Sender: owner-wri-mathgroup at

    Its called a pure function, either Function[] or (expression with
slots)&. I had an easier with the latter form:

In[155]:=  F=(#1[#2]&);
Out[155]= f[x]

In[156]:=  Outer[F,{f,g},{x,y}]
Out[156]=  {{f[x],f[y]},{g[x],g[y]}}


-----Original Message-----
From: Patrick McLean <p_mclean at>
To: mathgroup at
Subject: [mg19874] [mg19819] F[f_,x_]:=f[x] ?

>What is the name of the in-built Mathematica function that plays the role
>of F in te following:
>For example,
>will give:
>Patrick McLean
>No news is good news...

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