Re: Finite Groups...infinite disappoinment
- To: mathgroup at smc.vnet.net
- Subject: [mg112255] Re: Finite Groups...infinite disappoinment
- From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
- Date: Tue, 7 Sep 2010 02:00:23 -0400 (EDT)
- References: <i5vtnj$6s6$1@smc.vnet.net> <i627um$cq$1@smc.vnet.net>
David, If you had tried ChemicalData["Copper*Sul*"] you'd seen that you would have to use the name CopperIISulfate. Cheers -- Sjoerd On Sep 6, 10:15 am, David Bailey <d... at removedbailey.co.uk> wrote: > On 05/09/10 12:08, magma wrote: > > > > > I have just checked some basic info using FiniteGroupData. > > I was looking for some MultiplicationTable for some groups. > > > Indeed you can get the MultiplicationTable for the Quaternion group > > without a problem > > > FiniteGroupData["Quaternion", "MultiplicationTable"] > > > but no such luck with many/most other groups. > > > For example: > > > FiniteGroupData["C2", "MultiplicationTable"] > > > and also > > > FiniteGroupData["D4", "MultiplicationTable"] > > > both return Missing[NotAvailable] > > > Consulting the wonderful wizard of W.Alfa you get.... > > well exactly the same. > > No MultiplicationTable for either group. > > Considering that the MultiplicationTable is what makes a group tick, > > the lack of this info is quite astonishing. Especially after several > > months/years since first creating these "curated" data. > > > I might also , but I won't, bother you with such minute things as > > ParticleData. Well...let's just say that many had to postpone their > > backyard particle accelerators for lack of crucial data in Mathematica. > > > On the other end, if you consult the wonderful wizard of W.Alfa on the > > word "ketchup" you get all you ever wanted to know - and most of what > > you never dreamt of asking - about the ubiquitous red sauce. > > > So will you join me in the worldwide chorus of people asking the > > "saucy" question: > > > << Dear WRI, when will you finally "ketch-up" with your curated data= ? > > > PS > > In truth, W.Alfa is a wonderful dictionary and a great source of > > nutritional info. You can already get from it the detailed - and > > correct - recipe for "Tiramisu" (a traditional Italian dessert, which > > is increasingly getting attention on worldwide dining tables), but > > typing "caprese salad" still leaves you hungry for more info. > > Finally if you type "recipe", you will get a mouth-watering half- > > promise from WRI, which we all hope will be fulfilled in the very near > > future. > > My feeling is that you hit the nail on the head - the idea of curated > data over such a broad range is basically not possible. Another such > area is chemical information, thus you are rewarded by: > > ChemicalData["Caffeine"] > > however > > ChemicalData["Copper Sulphate"] > > or > > ChemicalData["Copper Sulfate"] > > (I tried both spellings) yielded nothing. Copper sulphate was the first > chemical that I tried in my new chemistry set about 50 years ago! > > David Bailey > > http://www.dbaileyconsultancy.co.uk