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xilihan


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用最小二乘法拟合多项式 。
不需要定义,数值变量直接给赋值就可以了,你这里就是直接对矩阵A赋值了 Matlab里直接拿来赋值就可以了,不需要先定义再赋值,或者说matlab里的赋值就相当于“定义”

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