量化編程技術—matplotlib與可視化

import matplotlib.pyplot as plt import numpy as np from mpl_toolkits.mplot3d import Axes3D np.random.seed(42) # 採樣個數500 n_samples = 500 dim = 3 # 先生成一組3維正態分佈數據，數據方向徹底隨機 samples = np.random.mul

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