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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Nth-root/Racket/nth-root.rkt Normal file
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#lang racket
(define (nth-root number root (tolerance 0.001))
(define (acceptable? next current)
(< (abs (- next current)) tolerance))
(define (improve current)
(/ (+ (* (- root 1) current) (/ number (expt current (- root 1)))) root))
(define (loop current)
(define next-guess (improve current))
(if (acceptable? next-guess current)
next-guess
(loop next-guess)))
(loop 1.0))