最小二乘法的原理要求下列式子达到最小的是A.∑(X-)B.∑(Y-)C.∑(Y-)D.∑(X-)(Y-)E.∑(Y-)
最小二乘法的原理要求下列式子达到最小的是
A.∑(X-
)
B.∑(Y-
)
C.∑(Y-
)
D.∑(X-
)(Y-
)
E.∑(Y-
)
![](https://assets.51tk.com/images/ebab89799c40b995_img/1f9e838471e90d36.gif)
![](https://assets.51tk.com/images/ebab89799c40b995_img/75b3c35b9322cc3c.gif)
B.∑(Y-
![](https://assets.51tk.com/images/ebab89799c40b995_img/1fc5869f57aa8ee3.gif)
![](https://assets.51tk.com/images/ebab89799c40b995_img/f432c8dea3c3ae69.gif)
C.∑(Y-
![](https://assets.51tk.com/images/ebab89799c40b995_img/238a4f6afb378a89.gif)
![](https://assets.51tk.com/images/ebab89799c40b995_img/923485d0b96019a1.gif)
D.∑(X-
![](https://assets.51tk.com/images/ebab89799c40b995_img/7c57df2659a7cd6b.gif)
![](https://assets.51tk.com/images/ebab89799c40b995_img/458b562ac736d596.gif)
E.∑(Y-
![](https://assets.51tk.com/images/ebab89799c40b995_img/d17563acfb7844be.gif)
参考解析
解析:
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