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- partial difference quotient 偏差商
- The relative difference quotient algorithm (RDQA) is introduced and advanced for the optimum design. 优化方法采用相对差商法，并作了若干改进。
- 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。
- From the example, we are more acquainted with the oscillations of solutions of the partial difference equations. 通过具体的例子使我们对差分方程有进一步的理解。
- 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。
- The paper studys on difference quotient ratio sequence distribution of order statistics difference about uniform distribution, exponential population and Normal population. 摘要本文研究了均匀分布、指数分布和正态分布的顺序统计量的差商序列概率分布。
- By means of the comparison theorem, and the oscillation of some non-linear partial difference equations is discussed and some concise conditions and authenticity are given. 给出系统振动的比较定量，利用比较定理讨论了一类非线性偏差分方程的振动性，给出简单的判别条件及证明。
- Consider the nonlinear delay partial difference equations with continuous arguments Some oscillation criteria of this equation are obtained. 研究具有连续变量的非线性时滞偏差分方程获得了方程的一些振动准则。
- This paper presents a numerical procedure to solve the partial difference equation that must be satisfied by the value of a mortgage loan according to CIR model. CIR模型表明,住房抵押贷款合同的价值满足一个偏微分方程。
- Combinatorial difference quotient method 组合差商法
- combination difference quotient method 组合差商法
- relative difference quotient algorithm 相对差商法
- arithmetic average difference quotient 算数均差商
- Oscillation of a Delay Partial Difference Equation 一类时滞偏差分方程的振动性
- nonlinear partial difference equations 非线性偏差分方程
- The research project was only a partial success. 那个研究课题只取得部分成功。
- the time fractional partial difference equation 时间分数阶微分方程
- Whether it rains or not makes no difference to me. 下不下雨对我来说都一样。
- By using nonstandard analysis, we define new generalized functions as discrete functions, and their derivatives are defined as difference quotients. 在非标准分析框架下,用离散函数定义新广义函数,用差商定义其导数。
- The Properties of Generalized Difference Quotient and Applications 一类广义差商及其应用
