Improve efficiency of fibonacci using closed form#12
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Linkgoron wants to merge 1 commit intoilantc:masterfrom
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Improve efficiency of fibonacci using closed form#12Linkgoron wants to merge 1 commit intoilantc:masterfrom
Linkgoron wants to merge 1 commit intoilantc:masterfrom
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ilantc
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Aug 18, 2019
| else { | ||
| return (fibonaci(n-1) + fibonaci(n-2)); | ||
| } | ||
| return(Math.pow((1+Math.sqrt(5))/2,n)-Math.pow((1-Math.sqrt(5))/2,n))/Math.sqrt(5); |
MoLow
approved these changes
Aug 18, 2019
MoLow
reviewed
Aug 18, 2019
| return (Math.pow((1+Math.sqrt(5))/2,n)-Math.pow((1-Math.sqrt(5))/2,n))/Math.sqrt(5); | ||
| } | ||
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| console.log('num is', fibonaci(20)); No newline at end of file |
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Please keep the PR's with minimal changes, if you think we should change this log please create a separate PR for it
@MoLow
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Use the closed form of Fibonacci to improve efficiency and protect from stack overflow (not the website)
https://en.wikipedia.org/wiki/Fibonacci_number#Closed-form_expression
http://mathonline.wikidot.com/a-closed-form-of-the-fibonacci-sequence