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Re: the new @@@ thing, MapApply?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg20719] Re: the new @@@ thing, MapApply?
  • From: "Allan Hayes" <hay at haystack.demon.co.uk>
  • Date: Wed, 10 Nov 1999 00:17:38 -0500
  • References: <805vob$de4@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Daniel,

In the Help Browser under Apply we have

    f @@@ expr is equivalent to Apply[f, expr, {1}].

So you are right.


--
Allan
---------------------
Allan Hayes
Mathematica Training and Consulting
Leicester UK
www.haystack.demon.co.uk
hay at haystack.demon.co.uk
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Daniel Reeves <dreeves at eecs.umich.edu> wrote in message
news:805vob$de4 at smc.vnet.net...
> I can't find any documentation on the new @@@ function in version 4.
> Could someone explain it?  Or confirm the following:
>
> It looks like
> f @@@ { {a,b,c}, {d,e,f}, ... }
> is equivalent to
> f @@#&/@ { {a,b,c}, {d,e,f}, ... }
> in other words,
> like Map, but doing Apply to each element.
>
> --    --    --    --    --    --    --    --    --    --    --    --
> Daniel Reeves               http://ai.eecs.umich.edu/people/dreeves/
>
> Well, you know when you're rocking back in a chair, and you go so
> far that you almost fall over backwards, but at the last instant you
> catch yourself?  That's how I feel all the time.    -- Steven Wright
>
>
>
>



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