module Digiproc::CoreExtensions::ArrayExtension::DotProduct
Public Instance Methods
dot(arr)
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Take the dot product of self another Array
(allow complex numbers). They must be the same size. Returns a scalar
myArray.dot(anotherArray) # => Float
# File lib/extensions/core_extensions.rb, line 9 def dot(arr) raise ArgumentError.new("Array sizes must be equal") if self.size != arr.size output = [] self.each_with_index do |o,i| output << o * arr[i].conjugate end output.sum end