[Jprogramming] beta-5 linux64 and mac64

2017-08-25 Thread Eric Iverson
The beta-5 installers for linux64 and mac64 have been updated. -- For information about J forums see http://www.jsoftware.com/forums.htm

Re: [Jprogramming] How to enclose two columns

2017-08-25 Thread Ben Gorte - CITG
if short is a virtue: ;/|:,: B +-+-+ |0|1| |2|3| |4|5| |6|7| +-+-+ Ben From: Programming [programming-boun...@forums.jsoftware.com] on behalf of bill lam [bbill@gmail.com] Sent: Friday, August 25, 2017 05:54 To: programm...@jsoftware.com Subject: R

Re: [Jprogramming] How to enclose two columns

2017-08-25 Thread Louis de Forcrand
In general, if you want to apply u along a group of n of axes: axis=: 2 : 0 u"(#n)@(n&|:) ) This is I believe very close to the axis operator in APL if you are familiar with it: ]m=: i.2 3 4 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 < axis 0 m +++---