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《神经网络与深度学习》课后习题答案-分享讨论
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习题9-4 #66

Open simo-an opened 2 years ago

simo-an commented 2 years ago

习题9-4 若数据矩阵𝑿′ = 𝑿 − 𝑿̄， 则对𝑿′ 奇异值分解𝑿′ = 𝑼𝚺𝑽， 则𝑼 为主成分分析的投影矩阵

解答：

IMG_20220124_214432

simo-an commented 2 years ago

λi = ((1/N) * wii) ^ 2