Search - least square curve fit

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[Other] 矩阵运算 DL : 0: 用最小二乘法对时间序列进行周期拟合，求出周期曲线的参数，并求出拟合的精度评价。(The least square method is used to fit the time series, the parameters of the periodic curve are obtained, and the accuracy of the fitting is evaluated.)
Date : 2025-12-17 Size : 38kb User : hailong闯天涯