MathGroup Archive 1997

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Re: Map

  • To: mathgroup at
  • Subject: [mg7465] Re: [mg7454] Map
  • From: "C. Woll" <carlw at>
  • Date: Thu, 5 Jun 1997 01:35:49 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

Hi Sean,

You almost had it. Try


You need the & to make it a pure function.


On Wed, 4 Jun 1997, Sean Ross wrote:

> Does anyone know how to use Map if the mapping function has more than one
> argument?
> ie:  If I have a function f[x] and an array, then Map[f,array] applies f to each
> element of the array.  What I want is a function f[x,y] and do something like
> Map[f[#,3],array] so it will apply f[x,3] to every element of the array.  I currently
> have two kludgey work arounds which is to make a new function g[x_]:=f[x,3]
> then use Map[g,array] or to make a newarray={array,list of second arguments},
> then use MapThread..  I am looking for a better way
> Please reply to seanross at

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