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多项式回归算得的公式好像不对 #55

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siliu3 opened this issue May 10, 2024 · 0 comments

siliu3 commented May 10, 2024

官方多项式回归示例，公式算得y=0.0003x^{3}-0.066x^{2}+4.73*x-40.63
但是这个函数画出来的曲线跟echarts上的曲线是不一样的
如图，在200的时候，示例的y值才300，但是实际函数的y值已经是600了

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