fibonacci_binet: Estimate the nth Fibonacci number using Binet's Formula
In jonocarroll/ggshape: Arrange 'ggplot' facets in arbitrary shapes

Estimate the nth Fibonacci number using Binet's Formula

1	fibonacci_binet(n)

`n`	which Fibonacci number to estimate

Binets' Formula estimates the nth Fibonacci number using the Golden Ratio

F_n = (φ^n - (-φ)^{-n})/√{5}

where φ is the Golden Ratio

φ = (1 + √{5})/2 ~ 1.618034

the nth Fibonacci number

1 2	fibonacci_binet(1:6) # 1 1 2 3 5 8

jonocarroll/ggshape documentation built on May 12, 2019, 1:05 p.m.

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