Feigenbaum constant calculation: Difference between revisions
→{{header|Scala}}
Thundergnat (talk | contribs) m (Promote to task, lots of examples, little controversy) |
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12 4.66920098
13 4.66920537</pre>
=={{header|Ruby}}==
{{trans|C#}}
<lang ruby>def main
maxIt = 13
maxItJ = 10
a1 = 1.0
a2 = 0.0
d1 = 3.2
puts " i d"
for i in 2 .. maxIt
a = a1 + (a1 - a2) / d1
for j in 1 .. maxItJ
x = 0.0
y = 0.0
for k in 1 .. 1 << i
y = 1.0 - 2.0 * y * x
x = a - x * x
end
a = a - x / y
end
d = (a1 - a2) / (a - a1)
print "%2d %.8f\n" % [i, d]
d1 = d
a2 = a1
a1 = a
end
end
main()</lang>
{{out}}
<pre> i d
2 3.21851142
3 4.38567760
4 4.60094928
5 4.65513050
6 4.66611195
7 4.66854858
8 4.66906066
9 4.66917155
10 4.66919515
11 4.66920026
12 4.66920098
13 4.66920537</pre>
=={{header|Scala}}==
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