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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



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