Re: Deleting elements from a Table
- To: mathgroup at smc.vnet.net
- Subject: [mg85895] Re: Deleting elements from a Table
- From: Luigi B <L.Balzano at gmail.com>
- Date: Wed, 27 Feb 2008 04:23:05 -0500 (EST)
- References: <fq0u1f$k7g$1@smc.vnet.net> <fq1296$mdj$1@smc.vnet.net>
On 26 Feb, 13:56, Jens-Peer Kuska <ku... at informatik.uni-leipzig.de> wrote: > Hi, > > TabIN /. {a___,{q_,_},{q_,_},b___}:> {a,b} > > if the second element are not follow the first, you may > Sort[] the list. > > Regards > Jens > > L.Balz... at gmail.com wrote: > > Dear All, > > I have go the following problem: > > I have a table of elements like {{x1,y1},{x2,y2}....}. Occasionally, > > two elements have the same x. I would like to drop these elements with > > a rule-based function. > > Example: > > > TabIN={{1,1},{1,2},{2,2}}; > > > my desired output is: > > > TabOUT={{2,2}} > > > Any help? > > Thanks > > Luigi Thanks, it works! but what if (time-wise) I want to skip the Sort of the input table? ciao Luigi