Re: Forcing Argument Evaluation
- To: mathgroup at smc.vnet.net
- Subject: [mg49872] Re: [mg49848] Forcing Argument Evaluation
- From: Daohua Song <ds2081 at columbia.edu>
- Date: Thu, 5 Aug 2004 09:20:32 -0400 (EDT)
- References: <200408041446.KAA20125@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi, Scott
Head[a[[1]]]
symbol
but Head[a[[2]]] is Times. I guess the problem maybe lies in the
symbol feature of funtions?
c=a[[2]];
Head[c]@@List@@c[[2]]@5
There should be some simple answer to it
daohua
On Wed, 4 Aug 2004, Scott Guthery wrote:
> f[x_] := x^2;
> a = {f,f/2};
>
> a[[1]][2]
> 4
>
> a[[2]][[2]
> f/2[2]
>
> I know I'm missing something fundamental.
>
> Cheers, Scott
>
>
>
- References:
- Forcing Argument Evaluation
- From: "Scott Guthery" <sguthery@mobile-mind.com>
- Forcing Argument Evaluation