1) 2nd order polynomial fit
二次多项式拟合
2) quasi-polynomial of degree two
拟二次多项式
4) 4th degree polynomial fit
四次多项式拟合
5) bivariate polynomial fitting
二元多项式拟合
6) cubic-polynomial fitting
三次多项式拟合法
1.
By analysis and comparison upon average grade and weighted average grade of blast-holes and average grade calculated by cubic-polynomial fitting,a conclusion has been made that average grade obtained through above mentioned calculation is more practical and conforming with the change rule of geological grade.
通过对炮孔平均品位、炮孔加权平均品位、三次多项式拟合法计算平均品位的分析与比较,得出了三次多项式拟合法计算平均品位较结合实际,符合地质品位变化规律的结论。
补充资料：多项式乘多项式法则
Image:1173836820929048.jpg
多项式乘多项式法则
先用一个多项式的每一项乘以另一个多项式的每一项，再把所得的积相加。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。