Ruud H.G. van Tol on Thu, 30 Dec 2021 16:47:15 +0100


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Re: fun with Collatz



On 2021-12-29 04:50, Ruud H.G. van Tol wrote:
On 2021-12-29 03:35, Ruud H.G. van Tol wrote:

\\ 4-dimensional approach ;)
[...]
Example usage:

{
my
( v= 9781262575275081247
, w= 1+floor(log(v)/log(10)) \\ digits
);
while
( real(v) > 1
, my(vr=real(v), vi=imag(v), p2=frac(vr), c2=floor(if(vi,vi,vr)));
   p2= if(p2, 1/p2, 0);
   printf("> %*s  2^%s\n", w, c2, p2);
   v=im_run1(v);
)
}

And the positive/negative "dimension" is still up for grabs! :)

-- Ruud