Course 2 - 改善深層神經網絡 - 第一週作業(1&2&3) - 1.3梯度校驗

1.梯度檢查用於判斷求導數的結果是否正確   1.1實現工具類 # -*- coding: utf-8 -*- import numpy as np import matplotlib.pyplot as plt def sigmoid(x): """ Compute the sigmoid of x Arguments: x -- A scalar or

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