Re: simple set operations

*To*: mathgroup at smc.vnet.net*Subject*: [mg57643] Re: simple set operations*From*: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>*Date*: Fri, 3 Jun 2005 05:33:24 -0400 (EDT)*Organization*: Uni Leipzig*References*: <d7mk8b$c5m$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Hi, 1) Table[FromCharacterCode[i], {i, 97, 122}] 2) what may MemberQ[] do ? Regards Jens "Edward Peschko" <esp5 at pge.com> schrieb im Newsbeitrag news:d7mk8b$c5m$1 at smc.vnet.net... > hey all, > > I'm hesitant to ask these questions (because > they are so simple) but after a > 15 minute search through the docs I'm getting > nowhere, so here goes: > > 1) what's the easiest way to generate a list > of elements? ie: > > 'a' .. 'h' == { a,b,c,d,e,f,g,h } > > 2) Is there a quick way to check whether an > element is in a set? > > if ('a' == (any('a','b','c','d')) { print "a is > in a,b,c,d"; } > > The first one I see could possibly be done by > 'Array', but I don't see how - > the '#' refers to the generation of numbers, but > there seems to be no > corresponding 'letter' symbol. > > > As for #2, the easiest way would be through an > overloading of the '==' operator, > but again, that doesn't seem to work.. > > Thanks much for any help, > > Ed >