Even ?. is not good, it won't change. Its purpose is to provide repeatable random data for testing, it doesn't matter if it is not random enough.
On Sun, Jul 19, 2020 at 11:41 PM Julian Fondren <[email protected]> wrote: > On 2020-07-19 10:31, Brian Schott wrote: > > Yes, I see the problem you are describing better now. > > This behavior for powers of 2 is dissimilar with other power bases. > > It suggests a flaw in the algorithm for ?. . > > > > > > ?.2^11 > > 1826 > > ?.2^12 > > 1826 > > ?.2^13 > > 1826 > > NB. compared to the following > > ?.3^11 > > 35532 > > ?.3^12 > > 212679 > > ?.3^13 > > 1275561 > > #@~."1 (?."0 ,: ?.) 2^i.20 > 7 18 > #@~."1 (?."0 ,: ?.) 3^i.20 > 13 20 > > It's only not as obvious with powers of 3. > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
