3 ms·
I am drawn to wonder if there is a discrete limit operation, and taking the discrete limit of Kaprekar's operation on all 4-digit numbers yields 6174. My maste
by pnathan 15y ago
I am drawn to wonder if there is a discrete limit operation, and taking the discrete limit of Kaprekar's operation on all 4-digit numbers yields 6174.
My mastery of fixed-point mathematics is rusty, so I am unsure if that is identical to the above...
- eru 15y agoPerhaps you are talking about http://en.wikipedia.org/wiki/Limit_superior_and_limit_inferior#Special_case:_discrete_metric http://en.wikipedia.org/wiki/Limit_superior_and_limit_inferi... ?
- pnathan 15y agoSeems like it! Cool, thanks. (At work, so can't say definitely yes/no without studying).