On Wed, Nov 18, 2015 at 5:43 PM, Yichao Yu <yyc1...@gmail.com> wrote:
> On Wed, Nov 18, 2015 at 11:37 AM, Michele Zaffalon
> <michele.zaffa...@gmail.com> wrote:
> > Hi all,
> >
> > I would be glad if somebody could explain to me why the following
> function
> > which generates a pair of random integer between 1 and 6 and if they are
> > equal generates another pair
> >
> > function fun()
> > d, N = 6, 50
> > for n = 1:N
> > a, b = rand(1:d), rand(1:d)
> > if a == b
> > c, d = rand(1:d), rand(1:d)
>
> You realize you are overriding d to a smaller and smaller number until
> you end up always calling rand(1:1) right?
>
This is very very embarrassing.
> > println("$a, $b, $c, $d")
> > end
> > end
> > end
> >
> >
> > under Windows 7 64 bits and Julia 0.4.1 returns mostly 1s.
> >
> > julia> fun()
> > 1, 1, 3, 3
> > 3, 3, 3, 2
> > 2, 2, 2, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> > 1, 1, 1, 1
> >
> > For small N, the output is more random though.
> >
> > Thank you,
> > michele
>
