Packages

numerix

0.0.6
0.6.0 0.5.1 0.5.0 0.4.2 0.4.1 0.4.0 0.3.0 0.2.0 0.1.0 0.0.6 0.0.5 0.0.4 0.0.3 0.0.2 0.0.1

A collection of useful mathematical functions in Elixir with a slant towards statistics, linear algebra and machine learning

HexDocs

Current section

Files

Jump to
Readme
15 Versions
0 Dependencies
Dependants
Files
Activity
numerix lib window_functions.ex
Raw

lib/window_functions.ex 

defmodule Numerix.WindowFunctions do

  @moduledoc """

  Functions used to smoothly bring a sampled signal down

  to zero at the edges of the sampled region.

  https://en.wikipedia.org/wiki/Window_function  

  """



  @doc """

  A bell curve function calculated based on the

  width (distance) and sigma (standard deviation).

  """

  @spec gaussian(number, number) :: float

  def gaussian(width, sigma \\ 1.0) do

    :math.exp(-0.5 * :math.pow(width / sigma, 2))

  end



end