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# Feigenbaum diagram

The following K program calculates the Feigenbaum diagram:

    X:(!400)%100
    `0:,/" ",',/"\n",'$,/({x,'}'X)@'{[x]300_{[y]x*y*1-y}\[400;0.5]}'X

Data is written to stdout, in the format `X Y`, i.e. suitable for gnuplot et al.