Nice, thank you.
- Original Message -
From: R.E. Boss
To: programm...@jsoftware.com
Cc:
Sent: Friday, August 21, 2015 2:45 PM
Subject: Re: [Jprogramming] permutations without reverses
ts'(#~({.<{:)"1)(i.@!A.i.)8'
0.029197332 9048960
R.E. Boss
>
ijdag 21 augustus 2015 19:36
> To: programm...@jsoftware.com
> Subject: Re: [Jprogramming] permutations without reverses
>
> A version that compares every element to the whole list (so far) to filter
out
> is innefficient even for perm 8
>
> reduce =: 1 : '<"_
A version that compares every element to the whole list (so far) to filter out
is innefficient even for perm 8
reduce =: 1 : '<"_1@[ ([: u (&.>)/(>@:) ,) <@:]'
(}: (|.@:[ (|.@:[ , ])^:(-.@:e.) ])reduce ,:@:{:)&.|. (i.@!A.i.)4
- Original Message -
From: 'Pascal Jasmin' via Programming
T