So sorry, mathematical notation does not display properly in email, but you know what I mean.
On 12/25/2011 08:23 PM, Eldon Eller wrote: > In English, the quadratic formula is: > > x equals the quantity negative b plus or minus the square root of the > quantity b squared minus four times a times c close quantity close > quantity divided by the quantity two times a close quantity. > > In mathematical notation, it is > > x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}. > If you know English, but not mathematical notation, The English version > is clear and the mathematical version is gobbledygook. If you know > mathematical notation, that version is not only more terse, but also > more understandable. So it is with conventional programming languages > and J (or APL). > > On 12/25/2011 07:42 PM, Marshall Lochbaum wrote: >> Actually I think the Java (which was in fact Java rather than C, although >> you had no way of knowing) was "if (x>20) return 1; else return 0;". My >> friend proposed this as a more readable version than ">&20" when I >> suggested it. In any case, I stand by my rhetoric; the actual code is >> irrelevant. >> >> Marshall >> >> 2011/12/25 Björn Helgason<gos...@gmail.com> >> >>> It is possible to use the extra unused y as comment >>> >>> gt20=:20<[ >>> 15 10 35 21 gt20 'true if one otherwise false if zero' >>> 0 0 1 1 >>> >>> >>> 2011/12/25 Björn Helgason<gos...@gmail.com> >>> >>>> If you want to use x as the example is showing you could do it like this >>>> >>>> gt=:20<[ >>>> 21 gt '' >>>> 1 >>>> >>>> >>>> 2011/12/25 R.E. Boss<r.e.b...@planet.nl> >>>> >>>> No. >>>>> Lochbaum stated it correctly. >>>>> It was you who did not recognize>&20 as a (monadic) verb. >>>>> >>>>> gt=:>&20 >>>>> >>>>> 4!:0<'gt' >>>>> 3 >>>>> >>>>> >>>>> R.E. Boss >>>>> >>>>> >>>>>> -----Oorspronkelijk bericht----- >>>>>> Van: programming-boun...@jsoftware.com [mailto:programming- >>>>>> boun...@jsoftware.com] Namens Björn Helgason >>>>>> Verzonden: zondag 25 december 2011 9:49 >>>>>> Aan: Programming forum >>>>>> Onderwerp: Re: [Jprogramming] Debian Forum comparing J to Brainf* >>>>>> >>>>>> " I once had a friend tell me that "if (x>20) return true; else return >>>>>> false;" was clearer than the J equivalent ">&20". I hope you can see >>>>> past " >>>>>> Then this should be ">&20 y" >>>>>> >>>>> >>> ---------------------------------------------------------------------- >>> 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