Berkeley CSUA MOTD:Entry 34720
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2019/06/26 [General] UID:1000 Activity:popular
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2004/11/6-7 [Computer/Theory] UID:34720 Activity:high
11/5    So, I'm reading "Godel, Escher, Bach" and I came to a part I think
        I should be able to understand, but I can't.  On page 137
        Hofstadter introduces a recursive function G, such that
        G(n)=n-G(G(n-1)) for n > 0, and G(0) = 0;  He then shows a graph
        that is supposed to corrospond to G, figure 30, on page 136.
        However, I just can't figure out how the graph is related to G.
        Can someone explain?  BTW For G(1)-G(8) I get the values
        1, 1, 2, 3, 3, 4, 4, 5. ok thx.
        \_ The graph shows the tree of recursive values.  G(4) and G(5) = 3;
           G(6) and G(7) = 4, G(9) and G(10) = 6, G(14) and G(15) = 9, etc.
            -tom
           \_ Thanks tom.  That's pretty neat.
              \_ Awwww, Tom answers a math and science question.
2019/06/26 [General] UID:1000 Activity:popular
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