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Perceptronunit.svg en An artificial neuron It has input nodes dots xnw dots wnvarphiof dots xn varphi sum wi xi varphivarphi frac varphi max xx dots xnw dots wnvarphif dots xn varphi sum wi xi varphivarphi frac varphi max xx ffdd InputNeuronen dffd HiddenNeuron own MartinThoma ValidSVG Source is available at github See also