What is an intuitive explanation of singular value decomposition (SVD)?

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A geometrical interpretation of the SVD

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知乎-奇异值的物理意义是什么？

知乎-机器学习中SVD和PCA一直没有搞的特别清楚，应该如何理解呢？

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SVD与PCA，奇异值分解与主成分分析的比较

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Relationship between SVD and PCA. How to use SVD to perform PCA?

What is the intuitive relationship between SVD and PCA