Re: Apply and Heads option
- To: mathgroup at smc.vnet.net
- Subject: [mg35227] Re: Apply and Heads option
- From: "Allan Hayes" <hay at haystack.demon.co.uk>
- Date: Wed, 3 Jul 2002 05:13:28 -0400 (EDT)
- References: <afrh1s$lu1$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Ted,
Apply[f, h[][], {1}, Heads->False]
h[][]
Apply[f, h[][], {1}, Heads->True]
f[][]
--
Allan
---------------------
Allan Hayes
Mathematica Training and Consulting
Leicester UK
www.haystack.demon.co.uk
hay at haystack.demon.co.uk
Voice: +44 (0)116 271 4198
Fax: +44 (0)870 164 0565
"Ersek, Ted R" <ErsekTR at navair.navy.mil> wrote in message
news:afrh1s$lu1$1 at smc.vnet.net...
> Hello mathgroup,
> ---------
>
> Apply has the Heads option.
> Can somebody give an example where
> Apply[f, expr, Heads->True] gives a different result than
> Apply[f, expr, Heads->False].
>
> OR where
>
> Apply[f, expr, levelspec, Heads->True] gives a different result than
> Apply[f, expr, levelspec, Heads->False].
>
> ----------
> Thanks,
> Ted Ersek
>
>