class NEAT::BasicNeuronTypes::GaussianNeuron
Gaussian function (CPPN) – SD 1 of inputs
Public Instance Methods
express(instance)
click to toggle source
create a function on the instance with our name that sums all inputs and produce a gaussian of standard deviation of 1.
# File lib/rubyneat/neuron.rb, line 172 def express(instance) instance.define_singleton_method(@name) { |*inputs| a = 1.0 #height b = 0.0 #center c = 1.0 #SD d = 0.0 #lowest y point x = inputs.reduce {|p, q| p + q} a * exp(-(x - b)**2.0 / 2*c**2.0) + d } end