Re: [Jprogramming] Quora problem

Sorry for my poor coding of your suggestion! Either I hadn't spotted your own code, or perhaps I'd forgotten you'd posted it. Mike On 14/08/2017 21:21, Raul Miller wrote: If you are going to time one of my implementations, I'd really prefer you time the second one rather than the first

Re: [Jprogramming] Quora problem

Yes, much better! cf my suggestion a few days ago, and another constructive one using tap and comb, q_tap_comb : ... time & space for Skip's original problem: ts'10 #.(,/@:(],"1 0 -."1)^:2 ,.)>:i.9'NB. AG 0.000120949 40448 ts'10#.(#~(-:~.)"1) >: 9#.inv i. 9^3' NB. MD 0.000774292

Re: [Jprogramming] Quora problem

My version of variations (without repetitions) : 10 #. (,/@:(],"1 0 -."1)^:2 ,.)1+i.9 More general: (3) 4 :'y,/@:(],"1 0 -."1)^:(x-1) ,.y' 'abcd' Op 12-08-17 om 11:16 schreef Skip Cave: How can I use J to generate all the possible 3-digit integers that can be constructed using the digits

Re: [Jprogramming] Integer-floating type change for large numbers in j805 and j806

This discussion really belongs on chat, But it looks like my previous attempt to move it there is being ignored, so I'll respond here: Value to who, though? Value is a subjective judgement, and subject to change, so there's also potential accuracy gains in identifying when it would have had that

Re: [Jprogramming] Integer-floating type change for large numbers in j805 and j806

The value of a partially known oil reserve could be reported like this: $100*10^(±1)  Den 20:26 søndag den 13. august 2017 skrev Jimmy Gauvin : It gets even better with blind faith put into "algorithms" : A nice read on the subject can be found in