Re: fun with Collatz

["Ruud H.G. van Tol" <rvtol@isolution.nl>]

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