Re: Passing a list as seperate parameters?
- To: mathgroup at smc.vnet.net
- Subject: [mg73245] Re: Passing a list as seperate parameters?
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Thu, 8 Feb 2007 03:46:35 -0500 (EST)
- Organization: Uni Leipzig
- References: <eqc71p$qs7$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
Hi, Union [First[Transpose[{{a,b},{c,d}}]]] will do it. Regards Jens Azumanga wrote: > I have a recuring problem in using mathematica, which I'm sure there > must be a simple fix for, but I've looked through the manual and can't > find it. > > As an example, I build up the list { {a,b},{c,d} }, and I want to find > the union of it's elements. > > At first glance, I want Union. However, Union wants it's input as > Union[{a,b},{c,d}], Union[{{a,b},{c,d}}] doesn't do anything. > > In general I get around this by fold, but it seems there should be a > simpler method? > >