class SPCore::TriangularWindow
Produces a triangular window of a given size (number of samples). Endpoints are near zero. Midpoint is one. There is a linear slope between endpoints and midpoint. For more info, see en.wikipedia.org/wiki/Window_function#Triangular_window
Attributes
data[R]
Public Class Methods
new(size)
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# File lib/spcore/windows/triangular_window.rb, line 7 def initialize size @data = Array.new(size) size.times do |n| @data[n] = (2.0 / (size + 1)) * (((size + 1) / 2.0) - (n - ((size - 1) / 2.0)).abs) end end