...随机边界法；Cobb-Douglas生产函数；城市公共交通行业 [gap=1146]Key words:government regulation; technical efficiency; stochastic frontier approach (SFA); Cobb-Douglas production function; urban public transport industry ..
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除了 panel data 模型估计量，另外还新增超过 25 个模型的估计量，包括 loglinear 模型、随机边界法 (stochastic frontiers) 、次数数据 (count data) 模型、二元选择 (binary choice) 模型、时间序列模型等，使 LIMDEP 可以更全面性地涵盖学界以及业界的...
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讨论了当把结构的形状参数考虑为随机变量时，平面结构静响应统计特性分析的随机边界元法。
This paper presents a probabilistic boundary element method for analysis of structural responses to static loads, when the shape parameters of structures are considered as random variables.
快速多极算法作为边界元法的求解算法，从而使边界元法能够对含有大量随机分布颗粒的复合材料进行大规模模拟。
Fast multipole method is used as a fast solver for BEM, making BEM applicable for large scale simulation of composites with a large number of randomly distributed particles.
通过建立沥青混合料的三维随机格形模型，加载适当载荷和边界条件求解后，采用体积平均法得出混合料等效弹性性质。
Equivalent elastic properties of asphalt mixture were obtained by the method of average volume after establishing the 3d random lattice model with appropriate load and boundary conditions.
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