用最小平方法,确定预测模型中的参数值时,它的数学依据是( )。

A.∑(y-<img src='https://img2.soutiyun.com/ask/uploadfile/6666001-6669000/bcfa4ed1e9e16b1b76e89691be22360f.png' />)<sup>2</sup>=0 B.∑(y-<img src='https://img2.soutiyun.com/ask/uploadfile/6666001-6669000/a081753f09576300a9bd1e9ae19bf59e.png' />)<sup>2</sup>=最小值 C.∑(y-<img src='https://img2.soutiyun.com/ask/uploadfile/6666001-6669000/cf4a70df7fff84c471f408b16dd8db52.png' />)=最小值 D.∑(y-<img src='https://img2.soutiyun.com/ask/uploadfile/6666001-6669000/284bfd8b2fa8264dbe7faa68c8d86ddc.png' />)≠0

时间:2023-04-02 09:59:15

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