Re: [Rd] Computer algebra in R - would that be an idea??

2005-07-16 Thread Gabor Grothendieck
On 7/15/05, simon blomberg <[EMAIL PROTECTED]> wrote: > > > > "bry" == bry <[EMAIL PROTECTED]> > > >> on Fri, 15 Jul 2005 14:16:46 +0200 writes: > > > > > > bry> About a year ago there was a discussion about interfacing R > > >with J on the J > > > bry> forum, the best method

Re: [Rd] Computer algebra in R - would that be an idea??

2005-07-16 Thread bry
> > > >well, I've learned about J as the ASCII-variant of APL, and APL > >used to be my first `beloved' computer language (in high school!) > >-- but does J really provide computer algebra in the sense of > >Maxima , Maple or yacas... ?? No, but I was seeing this thread as more interest in expandi

Re: [Rd] Computer algebra in R - would that be an idea??

2005-07-16 Thread simon blomberg
> > >yacas does have the Groebner function, e.g. > >In> Groebner({x*(y-1),y*(x-1)}) >Out> {x*y-x,x*y-y,y-x,y^2-y}; I stand corrected. Simon. -- Simon Blomberg, B.Sc.(Hons.), Ph.D, M.App.Stat. Centre for Resource and Environmental Studies The Australian National University Canberra ACT 0200 Aust