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Re: bad random numbers


From: Timothy H. Keitt
Subject: Re: bad random numbers
Date: Tue, 13 Jul 1999 14:27:43 -0700

Its probably a good idea to "warm up" the generator by discarding the first
1000 or so numbers.  I would add this to the seed routine.

Tim

Gerald Jansen wrote:

> "John W. Eaton" wrote:
> > On 13-Jul-1999, Mike Miller <address@hidden> wrote:
> > | Note that the resulting matrix always had a very small number in the
> > | 1,1 cell.  The value in that cell ranged from .003 to .017 ...
> >
> > The initial seeds for rand are computed from time().  Not random
> > itself, but at least it should be different each time you run Octave.
>
> Perhaps the first random number should be discarded if the seed computed
> from time() leads to patterns, like those observed by Mike, on some
> systems.
>
> --
> Gerald Jansen
>
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