Re: Selecting Sub-lists After Split
- To: mathgroup at smc.vnet.net
- Subject: [mg77470] Re: Selecting Sub-lists After Split
- From: Adriano Pascoletti <adriano.pascoletti at gmail.com>
- Date: Sat, 9 Jun 2007 05:40:17 -0400 (EDT)
- References: <f4b89h$3ls$1@smc.vnet.net>
On 8 Giu, 11:42, Gregory Lypny <gregory.ly... at videotron.ca> wrote: > Hello everyone, > > Suppose I have a list of real number called myList. I split it into > sub-lists of positive and negative numbers called myNewList by doing > this (there may be a more elegant way): > > myNewList = Split[myList, #1 #2 > 0 &] > > Now, how can I select all of the sub-lists of negative numbers from > myNewList? > > Any tips would be most appreciated. > > Regards, > > Gregory Select[myNewList, First[#] < 0 &] Adriano Pascoletti