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Re: Applying a list of 2D paramters to a mathematica function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg68075] Re: Applying a list of 2D paramters to a mathematica function
  • From: Peter Breitfeld <phbrf at t-online.de>
  • Date: Fri, 21 Jul 2006 17:36:28 -0400 (EDT)
  • References: <e9q9l1$83q$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Curry Taylor schrieb:
>
>  	I have (for simplicity) something like this:
>
>  	f[x_, y_] := x+y;
>
>  	I want to use this function for a variety of parameters in a list:
>
>  	indices = {{a,b}, {c,d}, {e,f}, ..}
>
>  	so that I get
>
>  	{a+b, c+d, e+f, ..}
>
>  	Doing the intuitive thing (for me)
>
>  	f /@ indices
>
>  	results in
>
>  	{f[{a, b}], f[{c, d}], f[{e, f}], ..}
>
>  	but what I want is
>
>  	{f[a, b], f[c, d], f[e, f], ..}
>
>  	and that's not what I'm getting. I have tried using Flatten, pure 
> functions (Slot # and &), different Map functions, nesting at parameters 
> (like {1} and {2}), and other things but I just can't seem to get what I'm 
> after. Any help please?
>
>  	Thank you,
>
> Curry
>

Try
indices/.{x_,y_}->f[x,y]


Gruss Peter
-- 
==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==
Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de


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