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hyuki0000/phi.rb

Created March 22, 2017 15:03
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\phi^n looks like an integer. cf. https://twitter.com/hyuki/status/844562998349877248
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phi.rb
Phi = (Math.sqrt(5) + 1) / 2
30.times do |n|
r = Phi ** n
puts r - r.to_i
end
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0.0
0.6180339887498949
0.6180339887498949
0.2360679774997898
0.8541019662496856
0.09016994374947629
0.9442719099991628
0.03444185374863906
0.9787137637478054
0.013155617496451555
0.9918693812442569
0.005024998740708497
0.9968943799850081
0.0019193787256881478
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0.0007331374365548982
0.9995468961474216
0.00028003358420392033
0.9998269297320803
0.0001069633162842365
0.9999338930483646
4.085636464878917e-05
0.9999747494148323
1.5605786757078022e-05
0.9999903552088654
5.960988346487284e-06
0.9999963162117638
2.2772583179175854e-06
0.9999985934700817
8.707866072654724e-07

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