Re: removing sublist . Again and Different
- To: mathgroup at smc.vnet.net
- Subject: [mg56326] Re: removing sublist . Again and Different
- From: dh <dh at metrohm.ch>
- Date: Fri, 22 Apr 2005 06:22:53 -0400 (EDT)
- References: <d47tgv$575$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi, A function that removes any sublist that contains (as a true sub set) any other sublist is: f[t_] := Select[t, Function[x, Nor @@ (x =E2=89=A0 # && Union[#, x] == x & /@ t) ] ] Sincerely, Daniel giampi1960 wrote: > hello i read borges2003xx at yahoo.it meassage : > > > >>i'm a newbie. How implement the _faster functon_ which removes in a >>list every element that are a subelement. >>which means >>f[x]:= {..,{1,2,3,4},..,{2,3},..} removes {2,3}. >>thanx a lot. >>giorgio borghi > > > > i ask your help for faster way to do the opposite > f[x]:= {..,{1,2,3,4},..,{2,3},..} removes {1,2,3,4}. > > best regards > > giampiero >