Re: Map
- To: mathgroup at smc.vnet.net
- Subject: [mg7465] Re: [mg7454] Map
- From: "C. Woll" <carlw at u.washington.edu>
- Date: Thu, 5 Jun 1997 01:35:49 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
Hi Sean,
You almost had it. Try
Map[f[#,3]&,array]
You need the & to make it a pure function.
Carl
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 worldnet.att.net
>
>