Re: Obtaining sequences from lists of lists
- To: mathgroup at smc.vnet.net
- Subject: [mg36219] Re: Obtaining sequences from lists of lists
- From: Alexander Dreyer <dreyer at itwm.fhg.de>
- Date: Tue, 27 Aug 2002 02:07:28 -0400 (EDT)
- Organization: Fraunhofer ITWM
- References: <akco7s$50e$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Bob wrote:
>
> Can anyone help me with this problem.
>
> If I have an n-element list, (say where each element is itself a
> list), such as {{a,b}, {a,b}, {a,b}}
> is there a way to strip off the outermost nesting of the list to
> obtain just a sequence of of these n elements, that is
> {a,b},{a,b},{a,b} so that I can use this for input for some function.
>
> I would like to do something like
> Outer[SomeFunction, Table[{a,b},{N} ]] where I can enter N
> dynamically.
> The problem, of course, is that the output of the Table command is one
> big list
> and Outer is expecting a sequence of N separate lists after
> SomeFunction.
>
> Thanks for your help in advance.
Hi,
Sequence@@{{a,b}, {a,b}, {a,b}}
resp. Apply[Sequence, {{a,b}, {a,b}, {a,b}}]
will do it.
CU,
Alexander
--
/ Alexander Dreyer, Dipl.-Math. - Abteilung Adaptive Systeme \
/ Fraunhofer Institut fuer Techno- und Wirtschaftsmathematik (ITWM) \
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