RosettaCodeData/Task/Averages-Mean-angle/Visual-Basic-.NET/averages-mean-angle.vb

19 lines
521 B
VB.net

Imports System.Math
Module Module1
Function MeanAngle(angles As Double()) As Double
Dim x = angles.Sum(Function(a) Cos(a * PI / 180)) / angles.Length
Dim y = angles.Sum(Function(a) Sin(a * PI / 180)) / angles.Length
Return Atan2(y, x) * 180 / PI
End Function
Sub Main()
Dim printMean = Sub(x As Double()) Console.WriteLine("{0:0.###}", MeanAngle(x))
printMean({350, 10})
printMean({90, 180, 270, 360})
printMean({10, 20, 30})
End Sub
End Module