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 > >