摘要:
参考: https://en.wikipedia.org/wiki/Least_squares https://en.wikipedia.org/wiki/Matrix_calculus https://baike.baidu.com/item/%E6%9C%80%E5%B0%8F%E4%BA%8C 阅读全文
posted @ 2019-02-23 10:21
SunnyPoem
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