aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

Data commit

Browse source
This commit is contained in:
Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

15
Task/Averages-Mean-angle/Racket/averages-mean-angle.rkt Normal file
View file

@ -0,0 +1,15 @@
#lang racket
(define (mean-angle αs)
(radians->degrees
(mean-angle/radians
(map degrees->radians αs))))
(define (mean-angle/radians αs)
(define n (length αs))
(atan (* (/ 1 n) (for/sum ([α_j αs]) (sin α_j)))
(* (/ 1 n) (for/sum ([α_j αs]) (cos α_j)))))
(mean-angle '(350 0 10))
(mean-angle '(90 180 270 360))
(mean-angle '(10 20 30))