Yes, I wish pari/gp offered fully parenthesized expressions but it seems that it doesn't. :-/
On Thu, Aug 1, 2013 at 8:05 PM, bob therriault <[email protected]>wrote: > Hi Eelvex, > > Sounds as if the challenge is whether the other program can provide a > parenthesized version of the symbolic calculations. If it has something > along the lines of J's parenthesized view (5!:6) , then that would allow > the result to be interpreted unambiguously. If the symbolic manipulator > can't express the results clearly, that would be where you come in. :) > > Cheers, bob > > On 2013-08-01, at 9:40 AM, EelVex wrote: > > > Hi bob, > > that's the problem (I think I was not clear): I want to read the output > > from another program that makes symbolic calculations and I don't want to > > have to read huge expressions just to parenthesise them correctly. > > > > > > On Thu, Aug 1, 2013 at 7:31 PM, bob therriault <[email protected] > >wrote: > > > >> Hi Eelvex, > >> > >> I think that the monadic primitive Do (".) may be the answer, although > you > >> would need to use parenthesis to get the order of execution that you > would > >> like. > >> > >> a=.2 > >> b=.3 > >> ".'a*b+b*a' > >> 18 > >> ".'(a*b)+b*a' > >> 12 > >> > >> Cheers, bob > >> > >> On 2013-08-01, at 9:22 AM, EelVex wrote: > >> > >>> Is there a verb in the library to read "paper math" into J expressions? > >>> > >>> Eg. > >>> a =: 2 > >>> b =: 3 > >>> read 'a * b + b * a' > >>> 12 > >>> ---------------------------------------------------------------------- > >>> For information about J forums see http://www.jsoftware.com/forums.htm > >> > >> ---------------------------------------------------------------------- > >> For information about J forums see http://www.jsoftware.com/forums.htm > >> > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
