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Jacobi相关的网络例句

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与 Jacobi 相关的网络例句 [注:此内容来源于网络,仅供参考]

By integral transformation of basic equations, the stress and displacement expressions with unknown coefficients of elastic and viscoelastic materials were obtained in Laplace domain respectively, and introducing dislocation density functions, the singular integral equations were got according to the boundary conditions and interface connection conditions, further adopting Gauss integration and Gauss-Jacobi integration formula, the problem was reduced to algebraic equations, then it can be solved with the method of collocation dots in Laplace domain. Finally, the time response of dynamic stress intensity factor was calculated with the inverse Laplace integral transformation.

采用积分变换方法,得到Laplace域内弹性和粘弹性材料的应力和位移的含未知系数的表达式;引入位错密度函数,并通过边界条件和界面连接条件,导出反映裂纹尖端奇异性的奇异积分方程组,采用Gauss积分,并运用Gauss-Jacobi求积公式化奇异积分方程组为代数方程组,利用配点法进行求解;最后经过Laplace逆变换,求得动态应力强度因子的时间响应。

By For the Jacobi iterative method of Gauss - Seidel iterative method and the comparison Initial research iterative equation and the nature of the coefficient matrix iteration convergence speed impact.

本文通过了举例对Jacobi迭代法和Gauss-Seidel迭代法进行了比较,研究迭代初值和方程组系数矩阵性质对迭代法收敛速度的影响。

Direct method of Gaussian elimination, Gaussian main-element elimination, and the iterative method of Jacobi iteration, Gauss - Seidel (Gauss - Seidel) iterative method is linear equations numerical solution of important ways.

直接法中的高斯消去法、高斯列主元消去法,以及迭代法中的雅可比迭代法、高斯-赛德尔(Gauss-Seidel)迭代法又是线性方程组数值求解的重要方法。

For the plane wave of laser without pulse shape, we derive the express of electron trajectory by the relative Lorentz and energy equations. Note that the orbit of electron becomes a "fat-8" in the average rest frame. For the plane wave of Gaussian laser, we may know that, through relative Hamilton-Jacobi equation, electrons are accelerated in the front of pulse and decelerated backward. Whereas for the non-plane wave of Gaussian laser, we solve the Lorentz and energy equations by fourth order Runge-Kutta method.

对于无脉冲形状的激光平面波是从考虑了相对论效应的Lorentz方程和能量方程出发,得到了电子的运动轨迹方程表达式,在纵向平均速度参照系下该电子的轨迹呈现"8"字形;对于高斯型单色激光平面波是从相对论Hamilton-Jacobi方程出发,得到激光平面波在脉冲前沿加速电子而脉冲后沿减速电子,电子能量增益为零;而对于高斯型单色激光非平面波是从拉格朗日运动方程和能量方程出发,通过四阶Runge-Kutta法数值求解,得到电子在纵向有质动力、横向电场作用下加速电子,最后在强大的横向有质动力作用下从脉冲侧面散射出去,可以获得很大能量增益本文得到了相应的电子瞬时动量解析表达式。

A compound inverse eigenvalue problem of Jacobi matrix and some generalized inverse eigenvalue problems have been discussed in this paper.

本文研究了一类Jacobi矩阵混合逆特征值问题及几类矩阵广义逆特征值问题。

As an example. we discuss generalized Legendre sequence and generalized Jacobi sequence.

提出了用分组密码构造加密认证码的一种方案。

In this paper, hyperbolic tangent function method and its some extensions suchas sine-cosine method, extended tanh method, F-expansion method and Jacobi ellip-tic function method are summarized, the idea and technique of hyperbolic functionmethod are explored.

本文对双曲正切函数法及sine - cosine方法,扩展tanh函数法,Jacobi椭圆函数展开法, F-展开法等一些主要的双曲函数方法及其扩展进行了系统的归纳与总结,揭示了双曲函数法的构造思想与技巧。

In this paper, we will introduce the weighted modulus of smoothness and the weighted K-functional to discuss the direct and the converse theorems, the local saturation results on the simultaneous approximation on an infinite interval with Jacobi-weight by the integral operator, the lin...

本文利用带权光滑模与带权K--泛函讨论定义在无穷区间上的积分型算子Gamma算子线性组合对空间L_∞(0,∞)中函数的带Jacobi权同时逼近的正逆定理以及局部饱和结果,还讨论了Gamma算子的强逆不等式。

Including the Jacobi elliptic function, the hyperbolic function, the trigonometrical function and the rational function, the infinite sequence multi-skill new exact solution through several forms compound.

这里包括Jacobi椭圆函数、双曲函数、三角函数和有理函数,通过几种形式复合而成的无穷序列复合型新精确解。

To seek new infinite sequence exact solutions to nonlinear evolution equationsNEE(s, the formula of nonlinear superposition of the solutions of the second kind of elliptic equation are given, infinite sequence exact solutions to combined KdV with varible coefficients and forcible term is constructed with the aid of symbolic computation system Mathematica, which include Jacobi-like elliptic function solutions, infinite sequence soliton-like solutions and infinite sequence triangular function solutions.

为了获得变系数非线性发展方程的无穷序列精确解,给出第二种椭圆方程解的非线性叠加公式,借助符号计算系统Mathematica构造了带强迫项变系数组合KdV方程的无穷序列精确解。这里包括无穷序列类Jacobi椭圆函数解、无穷序列类孤子解和无穷序列三角函数解。

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