Use ?. instead of ? --

   10 ?. 1e5  NB. reproducible
6146 39051 43621 70593 70098 93429 97808 31763 924 23484
   10 ?. 1e5
6146 39051 43621 70593 70098 93429 97808 31763 924 23484
   
   10 ? 1e5  NB. non-reproducible
85613 73320 61375 8250 92829 42945 21374 50929 52909 33489
   10 ? 1e5
60623 77893 24670 70554 43957 31129 41880 33044 3705 71831



----- Original Message -----
From: Carl Wyant <[email protected]>
Date: Monday, April 26, 2010 19:44
Subject: [Jprogramming] repeatable (pseudo-random) numbers.
To: [email protected]

> I would like to be able to generate a 'list' of 'random' (or I guess,
> pseudo-random), non-repeating numbers; somewhere between 00000 
> and 99999.
> But more importantly, I would like to be able to repeat, [or 
> alternatively,have someone else (on some other computer)] 
> generate the SAME list.
> 
> Is there some way to do this in J, short of creating a formula 
> to just
> 'randomize' such a list?
> 
> It would be nice to be able to do statistical analysis with 
> "repeatable"data-sets that still obey the criteria for "random" 
> numbers.
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