The fitted line in the figure is a 3rd-degreepolynomial, but any sort of smoothing would tell you that there is a massive upward trend.
拟和线是一个三次多项式的形式,但是任何形式的平滑都会告诉你有一个大的上升趋势。
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Finally, we present an efficient algorithm for computing the minimal polynomialofapolynomial matrix. It determines the coefficient polynomials term by term from lower to higher degree.
The use ofpolynomial fitting broken fiber lightweight aggregate concrete and the number of freeze-thaw damage the relationship between the degree of change, a better fitting relations.