Re: Conditional drop of list elements
- To: mathgroup at smc.vnet.net
- Subject: [mg63585] Re: [mg63557] Conditional drop of list elements
- From: gardyloo <gardyloo at mail.wsu.edu>
- Date: Fri, 6 Jan 2006 05:24:28 -0500 (EST)
- References: <200601050812.DAA19845@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
One possible method:
Select[list1, First[#1] == 1 & ]
Regards,
C.O.
LectorZ wrote:
>Hi guys,
>
>I need your assistance by the following problem:
>
>list1 = {{0,A,A,A}, {1,B,B,B}, {0,C,C,C}, {1,D,D,D}, {1,F,F,F},
>{0,G,G,G}, {0,H,H,H}}
>
>Every 1st element of the each sublist should be checked. Is the first
>element a ZERO, this sublist should be removed from the list. If it is
>a ONE - this sublist remains in the list.
>
>In this example the output should be:
>
>{{1,B,B,B}, {1,D,D,D},{1,F,F,F}}
>
>Thanks for your help!
>
>LZ
>
>
>
>
- References:
- Conditional drop of list elements
- From: "LectorZ" <lectorz@mail.ru>
- Conditional drop of list elements