Least square method of polynomial or the method based on the given function are used to fit pump characteristic curve in pump selection or operation.
在水泵的选型或运行中，通常采用多项式的最小二乘法或根据假设的函数关系来拟合水泵性能曲线。
In this paper, we present an iterative method for determining whether all roots of characteristic polynomial are on the left half-plane.
本文提出一种确定特征多项式的全部根是否位于左半平面的迭代法。
There are two kinds of method to calculate the eigenvalues of a matrix: characteristic polynomial method and QR method.
结合多项式方法和QR方法各自的特点，提出了一种计算矩阵重特征值的方法。
The property of companion matrix is studied, and the method of calculating the characteristic polynomial of matrix with similar transformation is explained.
研究了友阵的性质，论述了用相似变换计算矩阵特征多项式的方法。
The characteristic curve of IGBT is fitted with polynomial to establish its loss model, based on which its loss calculation method is proposed.
采用多项式方法拟合IGBT器件手册提供的特性曲线，建立多项式损耗模型，给出了一种基于曲线拟合理论计算损耗的方法。
While the discrete test run data of an aero-engine was adapted using the high order multi-parameters polynomial fit method, the steady characteristic curves were founded.
为此对某型航空发动机的离散试车数据点进行了多元高次多项式拟合，建立了该型号发动机的稳态特性曲线。
In this dissertation, we represent the measurement method on nonlinear characteristic and memory effect of power amplifiers and then discuss behavioral modeling based on polynomial structure.
本论文主要内容涉及放大器的非线性测量和多项式结构的行为模型的研究。
In this dissertation, we represent the measurement method on nonlinear characteristic and memory effect of power amplifiers and then discuss behavioral modeling based on polynomial structure.
本论文主要内容涉及放大器的非线性测量和多项式结构的行为模型的研究。
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