Re: [Jprogramming] Power convergence within limited iterations

2012-07-20 Thread R.E. Boss
Did you notice g=: u ^: p ^: _ h=: 3 : 't=. y while. p t do. t=. u t end.' on http://www.jsoftware.com/help/dictionary/d202v.htm ? R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens

Re: [Jprogramming] Verbs that contain nouns

2012-07-23 Thread R.E. Boss
If the code in the string is altering the content of the string, you get non-von Neuman programming, with (sometimes) very neat consequences. Powerful, yes, but equally dangerous and sometimes even hardly predictable. R.E. Boss -Oorspronkelijk bericht- Van: programming-boun

Re: [Jprogramming] Determining an 'alternating' binary array

2012-07-28 Thread R.E. Boss
My 2 cents: (./-./)+/\+/1 _1 *A 1 (./-./)+/\+/1 _1 *B 2 So A qualifies, B does not. R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Linda Alvord Verzonden: zaterdag 28 juli 2012 9:43

[Jprogramming] FW: J conference 2012

2012-08-10 Thread R.E. Boss
For some reason this post was not received by the forum. R.E. Boss -Oorspronkelijk bericht- Van: R.E. Boss [mailto:r.e.b...@planet.nl] Verzonden: vrijdag 3 augustus 2012 16:43 Aan: Programming forum (programm...@jsoftware.com) Onderwerp: RE: [Jprogramming] J conference 2012

Re: [Jprogramming] Print Custom Alphabet

2012-08-26 Thread R.E. Boss
' GHIJKLMNOPQRSTUVWXYZABCDEF R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Raul Miller Verzonden: vrijdag 24 augustus 2012 21:17 Aan: programm...@jsoftware.com Onderwerp: Re: [Jprogramming

Re: [Jprogramming] J user directory

2012-09-09 Thread R.E. Boss
\profilex.ijs Works great. R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Thomas Costigliola Verzonden: zaterdag 8 september 2012 23:22 Aan: J Programming Forum Onderwerp: [Jprogramming] J

Re: [Jprogramming] Removing n occurences

2012-09-12 Thread R.E. Boss
3 (4 : '({.y) (] {~ [:^:3 i.~)^:x y') 1 1 2 3 1 9 10 8 1 2 3 9 10 8 1 3 (4 : 'y{~3{.I.(={.)y') 1 1 2 3 1 9 10 8 1 2 3 9 10 8 1 R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Roger Hui

Re: [Jprogramming] Removing n occurences

2012-09-14 Thread R.E. Boss
8 years ago (it took me some time even to remember) this problem was solved (much) more generally http://www.jsoftware.com/pipermail/general/2004-May/017503.html 1 3 1 3 2 strikeb2~ 1 2 3 1 9 10 8 1 2 3 9 10 8 1 2 R.E. Boss -Oorspronkelijk bericht- Van: programming-boun

Re: [Jprogramming] Partitioning a string into unequal-length parts

2012-10-09 Thread R.E. Boss
IMO the essay should also hold the example from page 22 of 'A Brief J Reference' of Burke Reiter: ({.,#)/.~ymay use key to get nub and frequencies appearing in y R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming

[Jprogramming] stitching matrices

2012-10-15 Thread R.E. Boss
is deleted. This will give me A foo B 0 1 2 0 1 2 0 1 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 Any elegant solutions? R.E. Boss -- For information about J forums see http://www.jsoftware.com/forums.htm

Re: [Jprogramming] stitching matrices

2012-10-15 Thread R.E. Boss
NB. ({:1 A) equals {.1 B so not the leading column of A Perhaps I should have added that ({:1 A) =~. {.1 B or all not matching rows are deleted. R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com

Re: [Jprogramming] stitching matrices

2012-10-16 Thread R.E. Boss
(([:$])#:[:I.[:,]) but our solutions used the same idea. An alternative for Aai's solution, but not better, is A ;@([ (,}.)1 L:01 0 (=/:({:1) |.1)@# ]) B 0 1 2 0 1 2 0 1 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 R.E. Boss -Oorspronkelijk bericht- Van: programming

Re: [Jprogramming] stitching matrices

2012-10-16 Thread R.E. Boss
I do like the LHS (=/S:0 { ({:1 A);({.1 B)) R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens EelVex Verzonden: dinsdag 16 oktober 2012 7:14 Aan: programm...@jsoftware.com Onderwerp: Re

Re: [Jprogramming] stitching matrices

2012-10-16 Thread R.E. Boss
Bron taught me to give the use case which underlie an issue. For the stitching matrices this was the need to determine the ancestral paths in a tree where the parent-child pairs were given. R.E. Boss -- For information about

Re: [Jprogramming] Splitting (re-arranging) a matrix

2012-11-20 Thread R.E. Boss
_2({.\,:{:\)i.6 3 0 1 2 6 7 8 12 13 14 3 4 5 9 10 11 15 16 17 R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Aai Verzonden: dinsdag 20 november 2012 18:30 Aan: programm

Re: [Jprogramming] rotate columns

2012-11-21 Thread R.E. Boss
|.0 1 .|: R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Gian Medri Verzonden: woensdag 21 november 2012 11:00 Aan: programm...@jsoftware.com Onderwerp: [Jprogramming] rotate columns

Re: [Jprogramming] @: and capped fork

2012-12-02 Thread R.E. Boss
http://www.brainyquote.com/quotes/quotes/e/edsgerdijk201164.html or, as I heard him say much shorter: Basic ruins your life. R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Boyko Bantchev

Re: [Jprogramming] Open, padding with zeroes

2012-12-05 Thread R.E. Boss
,:!.'0'L:0/'11';'111' 110 111 Notice: $,:!.'0'L:0/'11';'111' 2 3 $,:!.'0'S:0/'11';'111' 1 2 3 This question was posed many times before. R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun

Re: [Jprogramming] convert 0,1 coding to _1,1

2012-12-12 Thread R.E. Boss
Difference between 32-bit and 64-bit, as was noticed (long) before. R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Ric Sherlock Verzonden: woensdag 12 december 2012 3:05 Aan: Programming

Re: [Jprogramming] arithmetic sequence

2012-12-23 Thread R.E. Boss
datatype L:0 (g 5000x); h 5000 +++ |floating|extended| +++ R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Linda Alvord Verzonden: zondag 23 december 2012 2:25

Re: [Jprogramming] newcommer help

2013-01-16 Thread R.E. Boss
And don't forget to start with http://www.jsoftware.com/help/learning/contents.htm R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens km Verzonden: woensdag 16 januari 2013 10:53 Aan

Re: [Jprogramming] [Jprogrammingou Hermitian from triangular

2013-01-19 Thread R.E. Boss
I'm impressed by your talent for teaching! R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Dan Bron Verzonden: zaterdag 19 januari 2013 20:06 Aan: programm...@jsoftware.com Onderwerp: Re

[Jprogramming] applying 1 gerunds to a set of items

2013-01-23 Thread R.E. Boss
In http://www.jsoftware.com/help/dictionary/d612.htm http://www.jsoftware.com/help/dictionary/d612.htm (`: n) is explained, but how do I apply a set of gerunds to one set of items? R.E. Boss -- For information about J

Re: [Jprogramming] applying 1 gerunds to a set of items

2013-01-23 Thread R.E. Boss
You apply the verbs which make the gerund, to the items. Perhaps I should have set ... apply a set of gerunds to a noun. R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens bob therriault

Re: [Jprogramming] applying 1 gerunds to a set of items

2013-01-23 Thread R.E. Boss
and check the output. So (4 :'x`:3 y'1_ 1) does the job. R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Raul Miller Verzonden: woensdag 23 januari 2013 19:27 Aan: programm...@jsoftware.com

Re: [Jprogramming] applying 1 gerunds to a set of items

2013-01-25 Thread R.E. Boss
I'm happy you are back! Always an opportunity to learn new things. R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Dan Bron Verzonden: donderdag 24 januari 2013 23:27 Aan: programm

Re: [Jprogramming] j dictionary search

2013-01-30 Thread R.E. Boss
OK, shutting ghostery made it work. R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Raul Miller Verzonden: woensdag 30 januari 2013 14:16 Aan: programm...@jsoftware.com Onderwerp: Re

Re: [Jprogramming] inverse oblique

2013-02-02 Thread R.E. Boss
What about 'thisisatestthisisatest' lcs 'testing123testingtesting123testing' ? R.E Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Raul Miller Verzonden: vrijdag 1 februari 2013 21:40 Aan

Re: [Jprogramming] Obtaining the file path of an ijs file

2013-04-05 Thread R.E. Boss
I like the Don! R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Greg Borota Verzonden: vrijdag 5 april 2013 15:49 Aan: programm...@jsoftware.com Onderwerp: Re: [Jprogramming] Obtaining

Re: [Jprogramming] J on Julia benchmark

2013-05-07 Thread R.E. Boss
times the result of 6!:2 multiplying milliseconds by 1000 gives seconds (here), dividing milliseconds by 1000 gives microseconds. R.E. Boss -- For information about J forums see http://www.jsoftware.com/forums.htm

Re: [Jprogramming] J on Julia benchmark

2013-05-09 Thread R.E. Boss
. R.E. Boss -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens Devon McCormick Verzonden: woensdag 8 mei 2013 20:25 Aan: J-programming forum Onderwerp: Re: [Jprogramming] J on Julia benchmark I

Re: [Jprogramming] J reference card

2013-06-07 Thread R.E. Boss
Well, it's impressive what (and how) you got on those two pages. Perhaps it's worthwhile to extend http://www.jsoftware.com/jwiki/Books#J_Reference_Card with the J primitives missing. In the German translation, which covers 3 pages, it is mentioned, under diagonal. R.E. Boss

Re: [Jprogramming] oblique

2013-06-11 Thread R.E. Boss
nuggets -: Jems (dixit Bron: http://www.jsoftware.com/jwiki/DanBron) R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics) -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com

Re: [Jprogramming] golden strings

2013-07-24 Thread R.E. Boss
ts'#; ([ ;@:{L:0 1~ [:,L:0 ])/(;@:{L:0 1)~^:(5 3 1) 1;1 0' 0.88478818 3.770689e9 In http://archive.vector.org.uk/art10501080 the rabbit sequence is used to describe L-systems in J. R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Oorspronkelijk

Re: [Jprogramming] golden strings

2013-07-27 Thread R.E. Boss
From http://www.jsoftware.com/help/dictionary/d202n.htm we learn x u^:( v1`v2)y ↔ x u^:([`v1`v2) y ↔ (x [ y)u^:(x v1 y) (x v2 y) so P ([:; {~)^:(]`(S_)) 20 ↔ P ([:; {~)^: 20 S You do not need to understand the internal representation of (]`(S_)) to apply the above rule(s). R.E. Boss

Re: [Jprogramming] Indices search

2013-08-21 Thread R.E. Boss
1 2 3 i.~ 2 5 6 3 1 9 5 2 4 0 3 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Oorspronkelijk bericht- Van: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] Namens David Vincent- Jones Verzonden

Re: [Jprogramming] Joining up a rank-1 array of integers

2013-09-09 Thread R.E. Boss
Wasn't it (, '/' -. {:) '/some/path' ? R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] On Behalf Of Dan Bron Sent: maandag 9

Re: [Jprogramming] row from boxes

2013-10-05 Thread R.E. Boss
@;1 L:0/a +-+-+-+ |+-+-+|+-+-+|+-+-+| ||0|a|||1|b|||2|c|| |+-+-+|+-+-+|+-+-+| +-+-+-+ R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming

Re: [Jprogramming] row from boxes

2013-10-05 Thread R.E. Boss
vert =: [: ;1 ./ invert =: (,~,:)~L:0/ R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf Of Roger Hui Sent: zaterdag 5

Re: [Jprogramming] row from boxes

2013-10-05 Thread R.E. Boss
Example(s)? (I take it you mean monad ,: ) R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf Of Roger Hui Sent

Re: [Jprogramming] Slicing and dicing tables

2013-10-08 Thread R.E. Boss
So 'data' was plural? R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf Of Henry Rich Sent: dinsdag 8 oktober 2013 3:52

Re: [Jprogramming] Scanning (/ or looping) records of an inverted table

2013-10-11 Thread R.E. Boss
||| || | |+-+||| | |+-+||| | |+-+||| | |+-+|| |+-+-+---+|+-+-+---+|+-+-+---+|+-+-+---+| +-+-+-+-+ R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun

Re: [Jprogramming] making this tacit

2013-10-26 Thread R.E. Boss
deltoy=:13 : '(y*_1|.y)%+/y' ytodel =:13 : '(+/(y*_1|.y))% 2 0 1{y' lr'deltoy' (] * _1 |. ]) % +/ lr'ytodel' ([: +/ ] * _1 |. ]) % 2 0 1 { ] lr'lr' 5!:5@ R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message

Re: [Jprogramming] Finding elements

2013-11-13 Thread R.E. Boss
ss (1 i.~1 (e.S:00 _;L:1))~ 1;13;8 1 4 3 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf Of km Sent: woensdag 13

Re: [Jprogramming] Sets

2013-11-14 Thread R.E. Boss
|| |+-+|+-+-+|+-+|+-+-+-+|+-+-+|+-+|+-+-+-+-+|+-+-+-+|+-+-+|+-+| +---+-+---+---+-+---+-+---+-+---+ R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun

Re: [Jprogramming] Sets

2013-11-15 Thread R.E. Boss
Actually, it IS a (4D binary reflected) Gray code. R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf Of Devon McCormick

Re: [Jprogramming] Sets

2013-11-16 Thread R.E. Boss
=: -..) or nicer (mn=: -.L:1) NB. minus 7. nt=: [ mn mn NB. Intersection; or nt=: mn/NB. Intersection for a list of sets 9. dv=: ,.L:1 NB. Display vertically 10. eq=: mn -: mn~ NB. Equality; important since sets are not sorted R.E. Boss (Add your info to http

[Jprogramming] Powersets (was RE: Sets)

2013-11-16 Thread R.E. Boss
|| | | | | | | | |+-+| | | |+-+| |+-+|+-+|+-+| | | | | | | | | | | | | | | | ||3|| | | | | | | | | | | | | | | | |+-+| +-+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From

Re: [Jprogramming] repeatuntil and repeat while tacit definitions possible?

2013-11-16 Thread R.E. Boss
Are you aware of http://www.jsoftware.com/help/dictionary/d202v.htm ? R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf

Re: [Jprogramming] Sets

2013-11-18 Thread R.E. Boss
: , 1:))) ] (] , 2: ^ (- 2^)) .@(2^.)@:) 19 1 (Gray i.524288)-: #:([: ({: (({. * #@]) ,@:+ ($ (,: |.))) ((* #) ,@:+ # $ (,: |.))^:({.`(0: , 1:))) ] (] , 2: ^ (- 2^)) .@(2^.)@:) 19 1 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message

Re: [Jprogramming] Tacit series

2013-12-22 Thread R.E. Boss
See the examples in http://www.jsoftware.com/help/dictionary/d202v.htm R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf

Re: [Jprogramming] Using plot in a while. konstruct?

2014-01-05 Thread R.E. Boss
Perhaps you should have a look at http://www.jsoftware.com/jwiki/AndrewNikitin/plothacks#Clone_plot_in_a_new_w indow R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com

[Jprogramming] something to calculate

2014-01-09 Thread R.E. Boss
http://arxiv.org/pdf/1401.1532v1.pdf R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -- For information about J forums see http://www.jsoftware.com/forums.htm

Re: [Jprogramming] Adverb each rank

2014-01-17 Thread R.E. Boss
('=:') splitstring each ('a=:b';'c=:dz') +-+--+ |+-+-+|+-+--+| ||a|b|||c|dz|| |+-+-+|+-+--+| +-+--+ '=:' splitstring L:0 ('a=:b';'c=:dz') +-+--+ |+-+-+|+-+--+| ||a|b|||c|dz|| |+-+-+|+-+--+| +-+--+ R.E. Boss (Add your info to http://www.jsoftware.com

Re: [Jprogramming] Speed of power

2014-01-27 Thread R.E. Boss
Same here ts 'p0=: 9223372036854775807x ^ 1' 16.509273 5436416 ts 'p1=: 9223372036854775807x intpower 1' 5.9769485 1710080 JVERSION Engine: j701/2011-01-10/11:25 Library: 8.01.016 Qt IDE: 1.0.22/4.8.5 Platform: Win 64 Installer: j801 beta install R.E. Boss (Add your info

Re: [Jprogramming] Speed of power

2014-01-27 Thread R.E. Boss
Repeated squaring (from http://www.jsoftware.com/jwiki/Essays/Repeated%20Squaring ) is as fast but twice as fat as intpower ts'pr=:9223372036854775807x (4 : ''*/ *~^:(I.|.#:y) x'') 1' 5.9712462 3560960 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics

[Jprogramming] status FFTW

2014-01-29 Thread R.E. Boss
Tried to use the lab Fast Fourier Transform but the first simple example already crashed: fftw i.8 |domain error: cd | 0 pick cmd cd(#shape);shape;in;out;dir;flag both in J801 end J602. What is the status of the addon math/fftw ? R.E. Boss (Add your info to http://www.jsoftware.com

Re: [Jprogramming] status FFTW

2014-01-29 Thread R.E. Boss
. | +---+-+ DLL_jfftw_ libfftw3-3_64.dll file (1800 kB) is in location /addon/math/fftw/ R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun

Re: [Jprogramming] status FFTW

2014-01-29 Thread R.E. Boss
with the lab. Notice, there are two lines in the FFT lab with word wrap, line 155 and 177 in fftw.ijt After correcting these the lab works fine. R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com

Re: [Jprogramming] fifth heart curve

2014-02-14 Thread R.E. Boss
What about this one https://plus.google.com/u/0/photos/101244335910217616226/albums/598024084706 7744881 ? R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun

Re: [Jprogramming] J in 5 minutes

2014-02-16 Thread R.E. Boss
://www.scientificamerican.com/article/why-gaming-could-be-the-future-of- education/ R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -- For information about J forums see http://www.jsoftware.com/forums.htm

Re: [Jprogramming] J in 5 minutes

2014-02-16 Thread R.E. Boss
From http://www.grammarphobia.com/blog/2009/07/steep-learning-curves.html 'Thus, a “steep learning curve” in common parlance refers to the difficulty of learning something.' R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From

Re: [Jprogramming] Finding Largest Prime of Numbers (Tacit)

2014-02-27 Thread R.E. Boss
) (...) I use 0 to force a rank zero (operate on each item). (...) No. 0 forces to operate on each atom or 0-cell. To operate on each item use _1 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics

Re: [Jprogramming] iso time format with 8!:2

2014-03-02 Thread R.E. Boss
The obvious being 6!:0 '-MM-DDThh:mm:ss' 2014-03-02T13:32:57 ? R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com

Re: [Jprogramming] apply verb to filtered list

2014-03-28 Thread R.E. Boss
Borrowing from Guinn: 1 0 1 0 } (,:~(+: :: ])L:0) 4;'a';3;6 +-+-+-+--+ |4|a|3|12| +-+-+-+--+ R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun

Re: [Jprogramming] Simple tacit verbs problem

2014-05-03 Thread R.E. Boss
http://www.jsoftware.com/help/dictionary/d630n.htm R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf Of Alex

Re: [Jprogramming] Stemplot

2014-05-03 Thread R.E. Boss
| +--+---+ |11|1 2| +--+---+ R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf Of 'Pascal Jasmin' via

Re: [Jprogramming] bug in (8!:) ?

2014-05-05 Thread R.E. Boss
Has to do with datatype: datatype 0 0 1 0 Boolean datatype ].: 0 0 1 0 integer so 'p,'(8!:2) ].: 0 0 1 0 ,0,0,1,0 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com

Re: [Jprogramming] ^: and boxes

2014-05-12 Thread R.E. Boss
Ignore the boxing. (* 0:@,~2=}.) 1 2 3 2 2 4 2 1 2 2 6 4 2 8 2 1 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf

Re: [Jprogramming] Project Euler 16, J vs Haskell

2014-05-29 Thread R.E. Boss
Here are some other solutions: http://www.jsoftware.com/jwiki/Puzzles/Gray%20Code and http://www.jsoftware.com/jwiki/RE%20Boss/Performance%20Records/Gray%20code R.E. Boss

Re: [Jprogramming] opportunity to show off jhs or qt

2014-05-30 Thread R.E. Boss
Very cool. R.E. Boss Date: Sat, 31 May 2014 03:03:01 +1200 From: tikk...@gmail.com To: programm...@jsoftware.com Subject: Re: [Jprogramming] opportunity to show off jhs or qt Cool! On Sat, May 31, 2014 at 2:42 AM, Joe Bogner joebog...@gmail.com wrote: On Fri, May 30, 2014 at 10

Re: [Jprogramming] Identifying roots of unity

2014-06-02 Thread R.E. Boss
http://mathworld.wolfram.com/RootofUnity.html seem to indicate you are right. R.E. Boss Date: Mon, 2 Jun 2014 13:59:10 -0600 From: dongu...@gmail.com To: programm...@jsoftware.com Subject: Re: [Jprogramming] Identifying roots of unity Is n below a primitive root of unity? n=._1^3r8

Re: [Jprogramming] Golf - and a J crash

2014-06-03 Thread R.E. Boss
here too JVERSION Engine: j701/2011-01-10/11:25 Library: 8.02.09 Qt IDE: 1.1.2/5.3.0 Platform: Win 64 Installer: J802 install InstallPath: c:/users/j64-802 R.E. Boss Date: Tue, 3 Jun 2014 19:29:46 +0200 From: agroeneveld...@gmail.com To: programm...@jsoftware.com Subject: Re

[Jprogramming] laminating atoms

2014-06-07 Thread R.E. Boss
'a b'=.3;i. 5 a ([:|:,1 0) b 0 0 0 0 0 1 1 1 1 1 2 2 2 2 2 0 1 2 3 4 is what I want, but isn't there a more elegant way? R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics http://www.jsoftware.com/jwiki/Community/Demographics

[Jprogramming] fibonacci performance

2014-06-07 Thread R.E. Boss
[:, ([:+/\ +/\.)^: (@]`(1x 1_)) http://www.jsoftware.com/jwiki/RE%20Boss/J-blog/Fibonacci#New_performance_re cord R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics http://www.jsoftware.com/jwiki/Community/Demographics

Re: [Jprogramming] laminating atoms

2014-06-07 Thread R.E. Boss
Then I would prefer Millers solution. Or equivalently a (($0~ #),]) b 0 0 0 0 0 1 1 1 1 1 2 2 2 2 2 0 1 2 3 4 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming

Re: [Jprogramming] laminating atoms

2014-06-07 Thread R.E. Boss
That's what I call elegant. Thanks. R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] On Behalf Of Henry Rich Sent: zaterdag 7 juni

Re: [Jprogramming] viewmat animation

2014-06-07 Thread R.E. Boss
error: wd | wd'pc viewmat;pn *',TITLE viewmat i. 3 4 4 |length error | 'mat ang'=.mat viewmat i. 1 4 4 |length error | 'mat ang'=.mat R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun

Re: [Jprogramming] laminating atoms

2014-06-08 Thread R.E. Boss
And for a and b? R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] On Behalf Of 'Bo Jacoby' via Programming Sent: zaterdag 7 juni 2014

Re: [Jprogramming] A Beginner's Observation on Learning the J Language

2014-06-09 Thread R.E. Boss
This was always my favorite documentation on J and I recommended it several times over the years. R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming-boun

Re: [Jprogramming] Shorten a verb

2014-06-10 Thread R.E. Boss
360 Or tacitly (](([, (% |.))]#~ 0=|~) [:i..: .@%:) R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf Of Roger Hui Sent

Re: [Jprogramming] Shorten a verb

2014-06-10 Thread R.E. Boss
Never work with arrays of that length. What's worse, it was wrong. Better is (3 :'~.b, y%|. b=.a#~ 0=y|~ a=.:i. .%:y')36 1 2 3 4 6 9 12 18 36 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun

[Jprogramming] how to label points in plot

2014-06-11 Thread R.E. Boss
See http://www.jsoftware.com/jwiki/RE%20Boss/nextnewpage where I adjusted the size of the plot window by hand so as to more or less let the text labels coincide with the points. Is there a way to achieve that automatically? R.E. Boss (Add your info to http://www.jsoftware.com/jwiki

Re: [Jprogramming] how to label points in plot

2014-06-11 Thread R.E. Boss
'textfont ...' is ignored anyhow. R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf Of chris burke Sent: woensdag 11 juni 2014 10

Re: [Jprogramming] how to label points in plot

2014-06-11 Thread R.E. Boss
I get the impression pd 'textfont ...' is ignored anyhow. Well, apparently only in the plot-window. After pd'pdf' the fontspecs are loud and clear. R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun

Re: [Jprogramming] Maximum totient ratio

2014-06-12 Thread R.E. Boss
(i../) gives the (first) index of the maximum. R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf Of Jon Hough Sent

Re: [Jprogramming] Test Your J

2014-06-26 Thread R.E. Boss
See also the categories on http://simplifyconnections.appspot.com/?place=J R.E.Boss Date: Wed, 25 Jun 2014 20:33:37 -0500 From: s...@caveconsulting.com To: programm...@jsoftware.com Subject: Re: [Jprogramming] Test Your J Great idea Henry - a J test! After seeing Henry's quiz (on which

Re: [Jprogramming] Where do we come from?

2014-07-02 Thread R.E. Boss
Which adds up per continent to Asia 2 Africa 0 North America 34 South America0 Antarctica 0 Europe 8 Australia0 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics

Re: [Jprogramming] Finger tapping

2014-07-02 Thread R.E. Boss
Nice! Beats my usual constructs for up and down sequences: }:4-|i:3 1 2 3 4 3 2 or }:(.|.):i.7 1 2 3 4 3 2 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com

Re: [Jprogramming] sort times

2014-07-05 Thread R.E. Boss
3,07 GHz Intel Core i7 950 x=: 1e6 $ ' ' y=: a. {~ ? 1e6 $ 256 %/ 100 (6!:2) '/:~x' ; '/:~y' 1.7674852 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming

Re: [Jprogramming] Tacit J and indexed replacement

2014-07-07 Thread R.E. Boss
look at 'Item Amend': /} 1 2 3,:2 2 2 2 2 3 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf Of Raul Miller Sent

Re: [Jprogramming] speaking of amend...

2014-07-12 Thread R.E. Boss
I have itemamend in my startup to do this. 0 1 1 itemamend i.2 3 2 0 1 8 9 10 11 itemamend=: 4 : 'y {~ ;/(,.i.@#)x'1 _ R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com

Re: [Jprogramming] Design goals readability and writeability?

2014-07-12 Thread R.E. Boss
It's remarkable you write about readability and terminate all your sentences with a question mark. I don't consider that as readable, but confusing and time consuming. Or is it only important for computer code to be readable? R.E. Boss (Add your info to http://www.jsoftware.com/jwiki

Re: [Jprogramming] Design goals readability and writeability?

2014-07-13 Thread R.E. Boss
My (2) tips for readability: (1) avoid tacit programming, (2) if you cannot resist it, only use a few verbs, whether it is a fork or a hook. R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun

Re: [Jprogramming] Design goals readability and writeability?

2014-07-15 Thread R.E. Boss
Why not? R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf Of Devon McCormick Sent: dinsdag 15 juli 2014 5:12 To: J

Re: [Jprogramming] trains

2014-07-17 Thread R.E. Boss
From http://www.jsoftware.com/help/dictionary/dacapdot.htm $(i.@! @A. i.)5 120 (( A..~ [: i. [: ! #)@i.-:(i.@! @A. i.))5 1 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com

Re: [Jprogramming] finding matching sets

2014-07-26 Thread R.E. Boss
|||c3|| |+--+--+|+--+| +---++ R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun...@forums.jsoftware.com] On Behalf Of Joe Bogner Sent: vrijdag 25

Re: [Jprogramming] finding matching sets

2014-07-26 Thread R.E. Boss
What information is available about difference in performance between using symbols and indices? R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun

Re: [Jprogramming] finding matching sets

2014-07-27 Thread R.E. Boss
- green 5 - black NB. I had to use 1 ,: otherwise error in: plot_gs_paint length error: qtmark_diamond 'x y'=.|:y and I had to force J down Engine: j701/2011-01-10/11:25 Library: 8.02.10 Qt IDE: 1.1.3/5.3.0 Platform: Win 64 Installer: J802 install R.E

Re: [Jprogramming] Memoizing (Project Euler problem 14)

2014-08-07 Thread R.E. Boss
Also the memory is less than half ts 'c2 T' 0.025803916 26218880 ts 'c1 T' 0.043909495 68163200 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming- boun

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