Created
October 13, 2011 11:12
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detect fib number test
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| PHI = (Math.sqrt(5.0) + 1) / 2 | |
| def rfib(a) | |
| la = Math.log(a) | |
| lp = Math.log(PHI) | |
| l5 = Math.log(Math.sqrt(5.0)) | |
| (la + l5) / lp | |
| end | |
| (1..100).each do |i| | |
| p "#{i} #{rfib(i)}" | |
| end |
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