difference quotient

A statistical study on the performance of the relative difference quotient algorithm

相对差商算法性能的统计研究

Generating original population via the ergodicity of chaotic sequence , the optimized results generated from relative difference quotient algorithm are added to the original population to improve its performance .

利用混沌序列的随机遍历性生成初始种群，并把相对差商算法的优化解加入到初始种群中，改善初始种群的性能。

A difference quotient - numerical integration method for Solving Radiative Transfer Problems

求解辐射迁移问题的差商-数值积分法

Global Convergence of the Variable Metric Method Using Difference Quotient

差商变尺度法的整体收敛性

Optimal Design of Structures with Discrete Variables Using Relative Difference Quotient Algorithm and Improved Genetic Algorithm

基于相对差商与改进遗传算法的离散变量结构优化研究

Convergence on the Steeped Descent Method Using Difference Quotient

差商最速下降法及其收敛性

We always make use of Lagrange interpolation basis function and multiple difference quotient to solve the problem .

其解决的方法有两种：用Lagrange插值基函数或利用重结点差商。

Application of the Generalized Difference Quotient Function in the Quadrature Formula of the Higher Order Singular Integral

广义差商函数在高阶奇异积分求积公式中的应用

Algorithms with Heredity for Difference Quotient and Newton Interpolation Polynomial

差商与牛顿插值多项式的承袭性算法

Algorithm of Combined Difference Quotient for Diffusion-Convection Equation

求解对流扩散方程的组合差商算法

Relative difference quotient algorithm is strong in local search , while genetic algorithm with a parallel operation is highly effective in global search .

相对差商算法局部搜索能力强，而遗传算法具有较强的全局搜索性，发挥两者的优势，提出组合遗传算法。

Difference quotient algorithm for finding the feasible set of ( 0 , 1 ) programming of optimum design of structures with discrete variables

寻求离散变量结构优化设计0－1规划可行集的差商向量法

The difference quotient interpolation is also used to improve the accuracy of the interpolation calculation , which shows satisfied quality of synthesized speech .

为了提高计算精度，在频谱的插值计算中还引入了差商型插值方法。

A hybrid algorithm for topology optimization of trusses with discrete variables is developed which combines relative difference quotient algorithm with chaos optimization .

将相对差商法和混沌优化结合起来，形成求解离散变量桁架结构拓扑优化设计的混合算法。

Some methods are described such as rounding - off , relative difference quotient , simulated annealing , genetic and Tabu search algorithm .

对其中的一些算法作了描述，如圆整法、相对差商法、模拟退火算法、遗传算法、Tabu搜索算法。

Basing on the Concept of mapping and employing partial difference quotient operator δ _a , difference scheme of determined solution problems for conductor system is obtained with discretization space-times as frame .

以映射概念为基础，离散时空为框架，应用δα偏差商算符得到导体系定解问题的差分格式。

The author has proved the global convergence of steeped method using difference quotient with exact or non-exact line search and also developed an algorithm for steeped descent method with non-exact line search .

证明了精确线搜索下的差商最速下降法的整体收敛性，提出了非精确线搜索下的有关算法并证明了收敛性。

The constraint functions are normalized with violated constraint grade coefficients ( VCGC ) in this method , and the module is solved with relative difference quotient algorithm ( RDQA ) .

该方法是利用约束违反程度系数将约束函数归一化，并形成统一约束函数，然后用相对差商法求解经过简化后的数学模型。

Combined direction difference quotient method with advance and retreat method in structural optimization of discrete variables , mix arithmetic is presented in structural optimization of discrete variables , whose main body is based on direction difference quotient method .

将离散变量结构优化设计的相对差商算法和进退法相结合，提出了一种求解离散变量结构优化设计的混合算法&以相对差商法为算法主体。

The canonical systems of four order rod vibration equation is obtained by substituting symmetry difference quotient for high order partial derivative , and the numerical solution is computed by using symplectic Eulers mid-point scheme in this paper .

本文用中心差商代替高阶偏导数，将四阶杆振动方程转化成正则方程组，并利用辛欧拉中点格式数值求解。

The Special Function Difference , Difference Quotient , Integral and Orthogonal , Norm Function in Mizar

特殊函数差分差商积分及函数正交性与函数范数的Mizar实现研究

Equidistance point and difference theory in theory of function approximation are studied . Meanwhile , the relation among difference , difference quotient and derivate is revealed .

对函数逼近论中等距节点和差分理论进行了研究，揭示了差分、差商与导数之间的联系；