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多变量非线性拟合。
emm一般评价曲线拟合不都是用相关系数，回归平方和，残差平方和什么的嘛？你看看这几个参数。 还有一种可能就是，万一你的数据误差比较大，拟合效果不好emm 曲线拟合我也不怎么懂emm你可以试试把拟合结果作为初值再代入拟合函数中，这样不断试试，不同的拟合函...
3 years ago | 0
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