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- The relative difference quotient algorithm (RDQA) is introduced and advanced for the optimum design. 優(yōu)化方法采用相對差商法，并作了若干改進(jìn)。
- Relative difference quotient algorithm is strong in local search, while genetic algorithm with a parallel operation is highly effective in global search. 相對差商算法局部搜索能力強，而遺傳算法具有較強的全局搜索性，發(fā)揮兩者的優(yōu)勢，提出組合遺傳算法。
- A hybrid algorithm for topology optimization of trusses with discrete variables is developed which combines relative difference quotient algorithm with chaos optimization. 將相對差商法和混沌優(yōu)化結合起來(lái),形成求解離散變量桁架結構拓撲優(yōu)化設計的混合算法。
- The paper studys on difference quotient ratio sequence distribution of order statistics difference about uniform distribution, exponential population and Normal population. 摘要本文研究了均勻分布、指數分布和正態(tài)分布的順序統計量的差商序列概率分布。
- A central difference is that the.NET Compact Framework is a subset of the full.NET Framework, and accordingly, some areas are not supported. 主要的不同之處在于;.;NET Compact Framework是
- The pulsating flow field was simulated by the large eddy turbulence model and the momentum equations were discretized with the unbounded central difference scheme. 脈動(dòng)流場(chǎng)計算采用大渦模擬湍流模型，動(dòng)量方程的離散格式采用有限中心差分格式。
- The spatial flux terms are discretized by using central difference scheme and the time integration is performed by using explicit scheme in the flow solver. 流場(chǎng)求解時(shí)采用中心差分的有限體積方法對空間通量項進(jìn)行離散，采用顯式推進(jìn)方法進(jìn)行時(shí)間方向的積分。
- Combinatorial difference quotient method 組合差商法
- combination difference quotient method 組合差商法
- relative difference quotient algorithm 相對差商法
- Sets up three-dimensional movement modal of towed-cable, the vector dynamic equilibrium equation is expanded under local coordinate, and numerically discreted by central difference on time and space through transforming Eular angle. 摘要建立拖纜的三維運動(dòng)模型，通過(guò)歐拉角的變換把拖曳線(xiàn)列陣微元段矢量動(dòng)力平衡方程在局部坐標系下展開(kāi)，在時(shí)間和空間上作中心差分數值離散。
- arithmetic average difference quotient 算數均差商
- The in viscid flux is discretized by AUSM+ scheme. The viscid flux is discretized by second-order central difference scheme. Baldwin-Lomax turbulence model is implemented in Navier-Stokes flow solver. 本文通過(guò)對AUSM+格式的應用研究，以Navier-Stokes/Euler方程為主控方程，利用無(wú)限插值理論生成結構網(wǎng)格，采用Baldwin-Lomax湍流模型，應用格心有限體積法，無(wú)粘通量項采用AUSM+格式離散，粘性通量項采用二階中心差分格式離散，開(kāi)發(fā)了跨音速定常、非定常流場(chǎng)解算器。
- Function to calculate the Jacobian matrix for a set of nonlinear algebraic equations. A simple central differencing scheme is used. 用來(lái)計算一套非線(xiàn)性代數方程的雅可比矩陣。使用一個(gè)簡(jiǎn)單微分方法。
- The central differencing scheme often leads to unstable numerical results in condition of coarse net.Several numerical models were discussed, including QUICK scheme. 摘要中心差分格式選用粗網(wǎng)格離散土壤水鹽運移方程中的對流項時(shí)，數值解容易發(fā)生數值振蕩。
- By using nonstandard analysis, we define new generalized functions as discrete functions, and their derivatives are defined as difference quotients. 在非標準分析框架下,用離散函數定義新廣義函數,用差商定義其導數。
- The Properties of Generalized Difference Quotient and Applications 一類(lèi)廣義差商及其應用
- Non-central difference quotient convergence and differential 非中心差商收斂性與可微性
- Such values are central to our way of life. 這些價(jià)值對于我們的生活方式是至關(guān)重要的。
- interpolation by central difference 中差插值法
