Here's what I've got: (spoiler space) [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] (spoiler space) floor((2x+1)/4)-floor((1-2x)/4) On Tue, Jan 14, 2014 at 12:17 PM, Gareth McCaughan <gareth.mccaughan@pobox.com> wrote:
On 14/01/2014 14:02, Bill Gosper wrote:
Not bad. But these four terms simplify to Julian's (very unhomely) two term solution privately reported at 23:24 PST.
I'm a little surprised FullSimplify fails this.
It's obvious how to lose one term (move the constant 1 inside one of the floors); how do you get it down to 2?
-- g
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