Re: how to map function with over 1 arguments to list
- To: mathgroup at smc.vnet.net
- Subject: [mg57231] Re: how to map function with over 1 arguments to list
- From: Lee Newman <leenewm at umich.edu>
- Date: Sat, 21 May 2005 02:40:13 -0400 (EDT)
- References: <d6ka03$168$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
You can use MapThread
f[x_, y_] = x + y;
in: MapThread[f, {{1, 1}, {2, 2}}]
out: {3, 3}
If you don't need to maintain the function definition f, you could
simplify as follows:
in: MapThread[ (#1+#2)&, {{1, 1}, {2, 2}}]
out: {3,3}
cheers,
lee
xun wrote:
> Hi, all,
>
> g[x_]:=x^2;
> g/@{1,2,3} results in{1,4,9}
>
> similarly, how to map f[x_,y_]:=x+y;
> to {1,1},{2,2}?
>
> it seems that f/@{{1,1},{2,2}} doesn't work.
>
> Thx.
> Xun
>
>
>
>