Golden ratio/Convergence: Difference between revisions
Added Sidef
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I ran this with shen-scheme.
<pre>[1.6180327868852458 14 -1.2018646493583418e-6]</pre>
=={{header|Sidef}}==
<syntaxhighlight lang="ruby">const phi = (1+sqrt(5))/2
func GR(n) is cached { (n == 1) ? 1 : (1 + 1/__FUNC__(n-1)) }
var n = (1..Inf -> first {|n|
abs(GR(n) - GR(n+1)) <= 1e-5
})
say "#{n} iterations: #{GR(n+1)} (cfrac)\n#{' '*15}#{phi} (actual)"
say "The error is: #{GR(n+1) - phi}"</syntaxhighlight>
{{out}}
<pre>
14 iterations: 1.6180327868852459016393442622950819672131147541 (cfrac)
1.61803398874989484820458683436563811772030917981 (actual)
The error is: -0.00000120186464894656524257207055615050719442570740221
</pre>
=={{header|V (Vlang)}}==
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