The piecewise polynomial regression model was established based on analyzing the scatter diagram of the speed change with the install distance.

最后，进行了回归结果分析，分析结果表明分段多项式回归模型是正确有效的。

youdao

The piecewise polynomial regression model was established based on analyzing the scatter diagram of the speed change with the install distance.

最后，进行了回归结果分析，分析结果表明分段多项式回归模型是正确有效的。

youdao