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MathGroup Archive 2006

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Re: Mapping Functions That Take More Than One Argument

  • To: mathgroup at smc.vnet.net
  • Subject: [mg69902] Re: Mapping Functions That Take More Than One Argument
  • From: Arkadiusz.Majka at gmail.com
  • Date: Wed, 27 Sep 2006 06:04:17 -0400 (EDT)
  • References: <efaclu$1uo$1@smc.vnet.net>

Just slight modification gives what you want

Drop[{{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}, 0,1]


Arek


Gregory Lypny napisal(a):
> Hello everyone,
>
> How can I map a functions onto sub-lists when the function takes more
> than one argument.  I can't seem to stumble upon the right syntax.
>
> Here's a list of three sub-lists.
>
> {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}
>
> I want to drop the first element of each sub-list, that is, 1 from
> the first, 4 from the second, and 7 from the third.
>
> Drop[{{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}, 1]
>
> gives me
>
> {{4, 5, 6}, {7, 8, 9}},
>
> which is what I expected (I'm learning) but not what I want.  So, how
> do I apply Drop to each sub-list?
> 
> Regards,
> 
> 	Gregory


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