Re: Default sort of vector is by "complexity" of expression!!?????
- To: mathgroup at smc.vnet.net
- Subject: [mg124054] Re: Default sort of vector is by "complexity" of expression!!?????
- From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
- Date: Sat, 7 Jan 2012 05:21:12 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- References: <je6e4i$q73$1@smc.vnet.net>
I don't see a sort on complexity. I see a list of lists being sorted based on the first element of each list and ties being broken, by using the next list element. Cheers -- Sjoerd ---- Check out Stackoverflow's Mathematica tag: http://stackoverflow.com/questions/tagged/mathematica or better, help out with the new dedicated Mathematica Q&A site on StackExchange. It's almost in private beta, but needs just a few extra people to kick off and participate. Go to: http://area51.stackexchange.com/proposals/37304/mathematica?referrer=EJOMFcZOBpAIDM_ 9uBjtlA2 On Jan 6, 10:16 am, Chris Young <c... at comcast.net> wrote: > Why on earth is that the default?? How is that possibly of any use? > > In[1114]:= hexN = hex // N > > Out[1114]= {{0., 0.}, {1., 0.}, {0.5, 0.866025}, {-0.5, > 0.866025}, {-1., 0.}, {-0.5, -0.866025}, {0.5, -0.866025}} > > In[1115]:= {Part[#, 2], Part[#, 1], #} & /@ hexN > > Out[1115]= {{0., 0., {0., 0.}}, {0., 1., {1., 0.}}, {0.866025, > 0.5, {0.5, 0.866025}}, {0.866025, -0.5, {-0.5, > 0.866025}}, {0., -1., {-1., > 0.}}, {-0.866025, -0.5, {-0.5, -0.866025}}, {-0.866025, > 0.5, {0.5, -0.866025}}} > > In[1116]:= Sort[%1115] > > Out[1116]= {{-0.866025, -0.5, {-0.5, -0.866025}}, {-0.866025, > 0.5, {0.5, -0.866025}}, {0., -1., {-1., 0.}}, {0., > 0., {0., 0.}}, {0., > 1., {1., 0.}}, {0.866025, -0.5, {-0.5, 0.866025}}, {0.866025, > 0.5, {0.5, 0.866025}}}