Re: Displaying Mathematica's Global rules

*To*: mathgroup at smc.vnet.net*Subject*: [mg32063] Re: Displaying Mathematica's Global rules*From*: "Alan Mason" <swt at austin.rr.com>*Date*: Fri, 21 Dec 2001 03:57:40 -0500 (EST)*References*: <9vs8m3$g1a$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Try DownValues[Subscript] "Blimbaum Jerry DLPC" <BlimbaumJE at ncsc.navy.mil> wrote in message news:9vs8m3$g1a$1 at smc.vnet.net... > I happened to be reading a book that gave an example of implementing > the kronecker delta symbol , i.e. define it and then see how Mathematica > stores the rules for it and in what order....so I typed in the rule using > the subscript button on the palette.... > > d_subscripts_a_,b_= 0 and d_subscripts_a_,a_ = 1 , > ran it a few times just to show that it works......but then i tried the next > part of the > > exercise which showed you how you to find out how Mathematica stored the > rules....so I typed in ?d expecting to see the rules but all Mathematica > > > gave back was 'Global 'd' .....now I realize > > that the subscript button duzznt create a symbol (* the book defined the > delta symbol as d[x_,x_] = 1, etc. so it didnt run into this problem * ) but > i was > > still puzzled...... > > Mathematica ran my definitions for any values of a and b...but where are > the rules? > > > jerry blimbaum NSWC Panama City, Fl >