Using a direct method regarding solution of a equation as a polynomial of cosine, a kind of nonlinear orbital differential equation of a particle exerted by attractive central force following power law is solved.
用把方程的解设为余弦函数多项式的一种直接方法，求解了受幂律引力作用的质点一类非线性轨道微分方程，从而得出在幂律引力作用下从拱点抛出质点的运动轨道是正弦螺
The Topological Connection of the Coefficients of the Characteristic Polynomial and the Molecular Fragments
本征多项式系数与分子片的拓扑联系
The Sum of Absolute Value of Bernoulli Polynomials Coefficient and its Properties;
Bernoulli多项式系数的绝对值和及其性质
On the relation between the circumference of a connected graph and the coefficient of its color palymonial;
连通图的周长与它的色多项式系数的关系
The absolute values of the coefficients of any chromatic polynomial form a unimodal sequence.
任何多项式系数的绝对值都构成单峰序列。
Because of the previous theorem we call the numbers of this type multinomial coefficients.
根据这一定理我们称这种类型为多项式系数。
The sum of absolute value of Hermite polynomials coefficient and its properties
埃尔米特多项式系数的绝对值和及其性质
On relationship of higher-degree Bernoulli polynomials and higher-degree Euler polynomials to Stirling numbers
高阶Bernoulli多项式、高阶Euler多项式与Stirling数的关系
Nonnegativity of H-polynomials Coefficient of Hecke Algebra of Type H;
H型Hecke代数的h多项式的系数非负性
A New Way of Factorization of Polynomial for Integral Coefficient Polynomial;
整系数多项式因式分解的一种新方法
The Algebraic Classification of a Class of Degree 1 + Degree 3 Polynomial System
1次+3次平面多项式系统的代数分类
The Number of Critical Periods for a Planar Polynomial Systems
一类平面多项式系统的周期函数的临界点个数
The Seeking Unified Method of the Greatest Common Factor and Coefficients Polynomial;
最大公因式及其系数多项式的统一求法
Research on Polynomial Functions and Permutation Polynomials;
关于多项式函数与置换多项式的研究
generating function of binomial coefficients
二项式系数的生成函数
The Number of Limit-cycles of a Class of Hamiltonian System under Polynomial Perturbation;
一类Hamilton系统在多项式扰动下极限环的个数
The Algebraic Classification of the Linear System and Plane Cubic Homogeneous Polynomial System;
一次和三次平面多项式系统的代数分类
Generalizations and Applications of a Conclusion of One Variable Polynomial with Integer Coefficient;
一元整系数多项式一个结论的推广应用
Discuss The Relation Between The Period And Number Of Times Of The Irreducible Polynomial On The F_p;
F_p上不可约多项式的周期与次数的关系