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Re: 2nd level pure function

To: mathgroup@smc.vnet.net
Subject: [mg11109] Re: [mg10948] 2nd level pure function
From: Wouter Meeussen <eu000949@pophost.eunet.be>
Date: Sun, 22 Feb 1998 14:55:35 -0500

not so evident, but short:
(you shurely found it yourself by now!)

Function[z,z+#1]&
is the pure function you need:

Function[z,z+#1]& [a]
Out[1]=
Function[z,z+a]

and:

Function[z,z+#1]& [a][b]
Out[2]=
a+b

wouter.


At 00:53 14-02-98 -0500, richard nathan linger wrote:
>
>I am having a problem with explicit functions.  I am trying to write a
>procedure that returns a function that returns a function.  I would
>like to have it return this as a pure function.  I am not sure how to
>do this. 
> 
>I will state this problem another way; I know that if f[a]=4+a, then as
>a pure function, f is analagous to Function[4 + Slot[1]].  I want to
>know how to represent f as a pure function when f[a][b]=a+b; 
>
>Nathan Linger
>Sophomore
>University of Illinois
>
>
>
Dr. Wouter L. J. MEEUSSEN
w.meeussen.vdmcc@vandemoortele.be
eu000949@pophost.eunet.be

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