yxiao54

How can we get frequency range for Fast-Fourier Transform

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The frequency range is set to be 1~1.8. How can we get these value? It's said that heart rate should located within 0.4 ～ 4 Hz.

how negative numbers affect gradient descent.

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The loss may be negative number in the model. The reason is that the reinforce loss is often to be a negative number since the reward is the larger the...

Line 71 of utils.py grads.append(**0** if param.grad is None else param.grad + 0.) should rewrite as: grads.append(**param-param** if param.grad is None else param.grad + 0.) The current implementation may cause...