... 多项式的判别式：discriminant of polynomial 多项式的阶：order of polynomial 多项级数：multinomial series ...
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了解多项式的逼近程度和有效拟合区间随多项式的阶数有何变化。-1。
Understand the degree of polynomial approximation and the effective range with the polynomial fitting order of any changes.
实测数据处理结果表明，该方法能有效地解决拟合效果和多项式阶数之间的矛盾。
Results based on practical measurements show that the proposed technique can effectively resolve the conflict between fitting effects and the polynomial order.
对每个候选变化点，经过一次判断即可确定多项式的合适阶次。
At each candidate change point, a reasonable order of the polynomial function can be determined by once estimating.
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