Re: when dimension increases
- To: mathgroup at smc.vnet.net
- Subject: [mg67589] Re: when dimension increases
- From: "Ray Koopman" <koopman at sfu.ca>
- Date: Sat, 1 Jul 2006 05:12:34 -0400 (EDT)
- References: <e82n4s$qvr$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In[1]:= a = {{2,1},{{3,2,1},1,{4,3,2,1}},{4,{3,2,1},{2,1},{1}}}; In[2]:= Map[Sort,a,{-2}] Out[2]= {{1,2},{{1,2,3},1,{1,2,3,4}},{4,{1,2,3},{1,2},{1}}} Arkadiusz Majka wrote: > Hi, > > Imagine that I want to sort (or do anything else) a list > > list={5,2,8,3} > > So I use Sort[list] > > Next I add next dimension and obtain a list listNew=Table[list,{5}] > > In order to sort all sublists of it it I use Map[Sort, listNew] > > Now I add another more dimension listNew1=Table[list, {3},{5}] > > I can again sort all sublists of it using combination of Table and Map. > > The question is the following: > > How can I deal with expresions of unknown a priori dimension? For > example what is the most elegant (clear and fast) method of sorting all > sublists of multidimensional expresion? I would like to avoid Table and > unclear expresions with many "Maps" (one embeded in another). > > Thanks for your help, > > Arek