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Re: The beauty of bitwise AND (∧ or &)

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On 2016-08-04, RS Wood <rsw@therandymon.com> wrote:
> https://medium.com/biffures/part-2-the-beauty-of-bitwise-and-or-cd

Self replying as a pretext to fix the busted URL.
>
>
> Visualizing math.  This graphic is so interesting.
>
> //--clip
> The horizontal axis is for values of the first operand a; the
>  vertical axis is for values of the second one b; values in cells
>  is the result of f(a,b) = a ∧ b.
> This chart has striking features that we did not foresee in our
>  preliminary analysis. Observations:
> There are distinct patterns along rows and columns (01010101… in
>  the first row, 02200220022…in the second row).
> Patterns for rows which are powers of 2 (1, 2, 4, 8, 16) are
>  special, with only zeroes before the bisector and only the row
>  number after we hit the next power of 2.
> //--clip

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The beauty of bitwise AND (∧ or &) RS Wood <rsw@therandymon.com> - 2016-08-04 14:15 -0400
  Re: The beauty of bitwise AND (∧ or &) RS Wood <rsw@therandymon.com> - 2016-08-06 17:31 +0000
    Re: The beauty of bitwise AND (? or &) Louis Krupp <lkrupp@nospam.pssw.com.invalid> - 2016-08-07 11:39 -0600

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