How to resolve the algorithm Averages/Mean time of day step by step in the Sidef programming language

Published on 12 May 2024 09:40 PM
#Sidef

How to resolve the algorithm Averages/Mean time of day step by step in the Sidef programming language

Table of Contents

Problem Statement

A particular activity of bats occurs at these times of the day: Using the idea that there are twenty-four hours in a day, which is analogous to there being 360 degrees in a circle, map times of day to and from angles; and using the ideas of Averages/Mean angle compute and show the average time of the nocturnal activity to an accuracy of one second of time.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Averages/Mean time of day step by step in the Sidef programming language

Source code in the sidef programming language

func time2deg(t) {
  (var m = t.match(/^(\d\d):(\d\d):(\d\d)$/)) || die "invalid time"
  var (hh,mm,ss) = m.cap.map{.to_i}...
  ((hh ~~ 24.range) && (mm ~~ 60.range) && (ss ~~ 60.range)) || die "invalid time"
  (hh*3600 + mm*60 + ss) * 360 / 86400
}
 
func deg2time(d) {
  var sec = ((d % 360) * 86400 / 360)
  "%02d:%02d:%02d" % (sec/3600, (sec%3600)/60, sec%60)
}
 
func mean_time(times) {
  deg2time(mean_angle(times.map {|t| time2deg(t)}))
}
 
say mean_time(["23:00:17", "23:40:20", "00:12:45", "00:17:19"])

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