Metallic ratios: Difference between revisions
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(Added Sidef) |
m (→{{header|Sidef}}: renamed function) |
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=={{header|Sidef}}== |
=={{header|Sidef}}== |
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<lang ruby>func |
<lang ruby>func seqRatio(f, places = 32) { |
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1..Inf -> reduce {|t,n| |
1..Inf -> reduce {|t,n| |
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var r = (f(n+1)/f(n)).round(-places) |
var r = (f(n+1)/f(n)).round(-places) |
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var f = {|n| lucasu(k, -1, n) } |
var f = {|n| lucasu(k, -1, n) } |
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say ("First 15 elements: ", 15.of(f).join(', ')) |
say ("First 15 elements: ", 15.of(f).join(', ')) |
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var (n, r) = |
var (n, r) = seqRatio(f) |
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say "Approximated value: #{r} reached after #{n} iterations" |
say "Approximated value: #{r} reached after #{n} iterations" |
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say '' |
say '' |
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} |
} |
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with ( |
with (seqRatio({|n| fib(n) }, 256)) {|n,v| |
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say "Golden ratio to 256 decimal places:" |
say "Golden ratio to 256 decimal places:" |
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say "Approximated value: #{v}" |
say "Approximated value: #{v}" |
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