Re: Deleting elements from a Table
- To: mathgroup at smc.vnet.net
- Subject: [mg85982] Re: Deleting elements from a Table
- From: Luigi B <L.Balzano at gmail.com>
- Date: Fri, 29 Feb 2008 06:26:03 -0500 (EST)
- References: <fq0u1f$k7g$1@smc.vnet.net> <fq1296$mdj$1@smc.vnet.net>
On 28 Feb, 09:06, bsyeh... at gmail.com wrote:
> TabIN /. {a___,{q_,_},b___,{q_,_},c___}:> {a,b,c}
> no need for Sort
>
> On Wed, Feb 27, 2008 at 11:23 AM,LuigiB <L.Balz... at gmail.com> wrote:
> > 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
Thank you guys.
It works fine.
Luigi