#leaky-relu

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2 questions · 2 min · score and explanations at the end

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Leaky ReLU and PReLU both output $z$ for $z \ge 0$ and $\alpha z$ for $z < 0$ . What is the difference between them?

PReLU learns $\alpha$ from the data; leaky ReLU fixes $\alpha$ before training1
Leaky ReLU learns $\alpha$ from the data; PReLU fixes $\alpha$ before training2
PReLU outputs exactly 0 for every negative input, just like ReLU3
PReLU outputs the largest of several learned linear responses4

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