Whatever you can say about J then the documentation can be a bit difficult to read and understand.
I have been reading it since 1990 and I understand some of it already. 2010/10/26 Ian Clark <[email protected]> > > Which makes it more puzzling why you don't read > > the documentation, and is quite proud of the fact. > > When all else fails... I read the documentation. > > Though judging by the time I spend reading it, I think that's > misleading. But I try to think myself into the mind of my audience. > It's of _that_ I'm proud. > > > Talking about APL (or J) without use of "array", > > is like doing Hamlet without the prince. > > I guess I'm not playing Hamlet. I'm writing a crit for people who've > seen it all before. > > > > On Tue, Oct 26, 2010 at 4:56 PM, Roger Hui <[email protected]> wrote: > >> Counsel of perfection, Roger. > >> Exactly what I wrote myself, in an IBM internal report in 1981. > > > > Which makes it more puzzling why you don't read > > the documentation, and is quite proud of the fact. > > > > Talking about APL (or J) without use of "array", > > is like doing Hamlet without the prince. > > > > > > > > ----- Original Message ----- > > From: Ian Clark <[email protected]> > > Date: Tuesday, October 26, 2010 8:46 > > Subject: Re: [Jgeneral] "J In A Day" --crits please > > To: General forum <[email protected]> > > > >> Counsel of perfection, Roger. > >> > >> Exactly what I wrote myself, in an IBM internal report in 1981. > >> > >> Nowadays I take the world as I find it. > >> > >> > in which everything--noun, verb, adverb, conjunction, > >> > parenthesis, copula, ..., atom, table, ..., everything-- > >> > is an "array". > >> > >> -- that, as it happens, is most helpful. Thank you for that insight. > >> > >> But for the present purpose (JinaDay) it makes me even keener to avoid > >> the term "array". > >> > >> "When everybody's somebody -- then no one's anybody" > >> (Gilbert & Sullivan, 'The Gondoliers'). > >> > >> > >> > >> On Tue, Oct 26, 2010 at 4:28 PM, Roger Hui <[email protected]> wrote: > >> > You are putting the cart before the horse. > >> > The implementation has to follow the description, > >> > and you can not (should not) use the implementation > >> > to justify the description. > >> > > >> > FYI: in the J implementation there is a sense > >> > in which everything--noun, verb, adverb, conjunction, > >> > parenthesis, copula, ..., atom, table, ..., everything-- > >> > is an "array". But the fact would not be helpful > >> > to a general audience. > >> > > >> > > >> > > >> > ----- Original Message ----- > >> > From: Don Guinn <[email protected]> > >> > Date: Tuesday, October 26, 2010 7:55 > >> > Subject: Re: [Jgeneral] "J In A Day" --crits please > >> > To: General forum <[email protected]> > >> > > >> >> 3!:3]99j1 > >> >> e1000000 > >> >> 10000000 > >> >> 01000000 > >> >> 00000000 > >> >> 00000000 > >> >> 00c05840 > >> >> 00000000 > >> >> 0000f03f > >> >> > >> >> J still treats a complex number as a zero rank array. > >> >> > >> >> 3!:3]99r2 > >> >> e1000000 > >> >> 80000000 > >> >> 01000000 > >> >> 00000000 > >> >> 18000000 > >> >> 30000000 > >> >> e1000000 > >> >> 04000000 > >> >> 01000000 > >> >> 01000000 > >> >> 01000000 > >> >> 63000000 > >> >> e1000000 > >> >> 04000000 > >> >> 01000000 > >> >> 01000000 > >> >> 01000000 > >> >> 02000000 > >> >> > >> >> Same for rationals. > >> >> > >> >> On Tue, Oct 26, 2010 at 8:50 AM, Raul Miller > >> >> <[email protected]> wrote: > >> >> > >> >> > On Mon, Oct 25, 2010 at 9:34 PM, Donna Y > >> >> <[email protected]> wrote: > >> >> > > An array can have one element but it is not a scalar number. > >> >> > > If it is an array it has not only magnitude but also direction. > >> >> > > > >> >> > > A scalar number by definition scales - it has magnitude - it > >> >> > > is not a vector or an array. It has rank 0. > >> >> > > >> >> > I did not follow all of what you wrote, but consider: > >> >> > > >> >> > scalar: 1j2 (has magnitude and direction, and is an array) > >> >> > array: i.0 1 2 3 4 (has no magnitudes and no directions, > >> >> but still is an > >> >> > array) > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Björn Helgason, Verkfræðingur Fornustekkum II 781 Hornafirði, t-póst: [email protected] gsm: +3546985532 sími: +3544781286 http://groups.google.com/group/J-Programming Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans góður kennari getur stigið á tær án þess að glansinn fari af skónum /|_ .-----------------------------------. ,' .\ / | Með léttri lund verður | ,--' _,' | Dagurinn í dag | / / | Enn betri en gærdagurinn | ( -. | `-----------------------------------' | ) | (\_ _/) (`-. '--.) (='.'=) ♖♘♗♕♔♙ `. )----' (")_(") ☃☠ ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
