查询词典 polynomial equation

According to fifteen sorts of eigenvalues,the specific solution to a type of homogeneous equation with harmonic operator of six steps polynomial in cylindrical coordinate is obtained by the variable method, and the method of determining the constant is given.

对圆柱坐标系下齐次6阶"多项式"形式的调和算子方程，按本征值分15种情况分别给出了其分离变量解的具体形式，给出常数的确定方法；并将结果推广到各种非齐次情况和非轴对称情况。

This paper introduced the differentiator series method to solve the group of linear ordinary differential equation with free term fi∈ eλ t pmλ∈ z,pm(t is polynomial of degree m first,the theories of solution were introduced,next,examples.

用微分算子级数法求解自由项为fi∈eλtpm的线性微分方程组（λ∈Z，pm是t的m次多顶式）。

In this paper, we discuss the number of the orthonormal set of exponential function in other cases. And we prove that either isn't a root of a equation of "odd" type or is even, any orthonormal set of exponential function in has at most two elements, where is the minimal primitives polynomial for.

本文讨论当ρ为其余情形时，指数型正交序列集中元素个数，证明了当ρ^(-1)不是奇数型方程的根或者其本原最小多项式g满足g为奇数时，则L^2中任何指数型正交集至多含有两个元素。

This paper is using that dielectric constant of nonabsorbent uniform transparent single layer thin film satisfies am fifth-degree polynomial to extract the refractive index and thickness from the ellipsometric equation.

采用椭偏法测试的单层均匀透射簿膜的介电常数满足一个五阶多项式方程，来求解薄膜的折射率和厚度，并且进行了详细的计算和讨论。

Correlation results showed that the polynomial empirical equation is the best to fit in the experimental results.

实验得到的溶解度曲线及关联结果对avermectin结晶工艺的研究具有较大的指导意义。

In this paper, a three-dimensional reaction-diffusion equation with a polynomial nonlinearity that possesses a global attractor is considered.

本文考虑具有整体吸引子的一类带有多项式非线性项的三维反应扩散方程。

The experimental data were correlated with mathematics models such as the ideal solution, Apelblat and polynomial empirical equation respectively.

过饱和度是结晶的推动力，控制过饱和度是控制结晶的主要手段［5］。

Another example is the problem of deciding whether a given equation involving a polynomial with n variables has integer solutions.

另外一个例子是一个包含的 n 维多项式方程式是否有整数解。

Nonlinear equation of a polynomial f = 0 in solving problems, I numerical analysis courses designed to do a procedure...

计算多项式非线性方程f=0的求根问题，本人数值分析课程设计做的一个程序，供大家参考，希望给予指正。

According to real tested data,it builds up CVC cambering curve equation by polynomial regression.

根据实测数据，采用多项式回归方法，建立CVC 辊形曲线方程，并探讨了该方程的重要实际意义。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。