Add appendixD

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skindhu 2025-04-01 22:58:55 +08:00
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@ -190,7 +190,7 @@ plt.show()
用数学术语来说,对于一个由分量组成的向量 v = [v<sub>1</sub>, v<sub>2</sub>, ..., v<sub>n</sub>]L2 范数描述为:
$$|v|_{2}=\sqrt{v_{1}^{2}+v_{2}^{2}+\ldots+v_{n}^{2}}$$
$$\text|v|_{2}=\sqrt{v_{1}^{2}+v_{2}^{2}+\ldots+v_{n}^{2}}$$
这种计算方法也适用于矩阵。例如,考虑以下梯度矩阵: