Re: Partitioning a list from an index
- To: mathgroup at smc.vnet.net
- Subject: [mg56924] Re: Partitioning a list from an index
- From: dh <dh at metrohm.ch>
- Date: Tue, 10 May 2005 03:42:34 -0400 (EDT)
- References: <d5mv78$e05$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi Guy,
see below,
Daniel
Guy Israeli wrote:
> hello,
>
> how can partition a list (doesn't have to be with 'Partition') such that the
> partition will begin with a specific index?
>
> like this:
>
> list1={1,2,3,4,5,6,7,8,9,10}
>
> and i might want to split it to pairs or threes from index 6 for example, so
> for threes it will be
>
> {1,2,{3,4,5},{6,7,8},9,10}
e.g.:
Join[
Take[list1,2],
Partition[ Take[list1,{3,9}] , 3],
Take[list1,{10,12}]
]
>
> with or without padding to those that are left, depends on what it is
> possible, or maybe put them together or something
>
> for pairs it will be {1,{2,3},{4,5},{6,7},{8,9},10}
similar to above
> again with or without padding
>
> thank you very much
>
> Guy
>
>