w = np.mat(np.random.randn(3, 1))
时间: 2023-11-15 13:06:13 浏览: 78
math.random用法
This line of code generates a 3x1 matrix of random numbers from a normal distribution using the NumPy library. The matrix is assigned to the variable named "w". This is commonly used in machine learning algorithms to initialize weights for neural networks.
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