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ml-recall

#discriminator-loss

1 question from Generative Adversarial Networks

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Question 1: Short answer

mediumAI-checkedGenerative Adversarial Networks

d2l trains the discriminator on a real and a fake batch with the binary cross-entropy averaged over the two, 12[−log⁡D(x)−log⁡(1−D(G(z)))]\frac{1}{2}\left[-\log D(\mathbf{x}) - \log\left(1 - D(G(\mathbf{z}))\right)\right] per pair of examples. At the equilibrium where the discriminator outputs 0.5 for every input, what is this loss (natural logarithm)?

a number, 3 decimals