在作物水模型及作物水盐响应相关研究中，目前多采用最小二乘法进行参数寻优，动态规划法对系统进行优化。
At present, usually parameters and systems have been optimized by least square techniques and dynamic programming in the research of crop water model and crop response to water and salt.
考虑整套试验数据的随机特性，利用极大似然法原理和数学规划法求解模型参数。
The parameters of model are measured by taking into account the stochastic characteristic of entire test data, which is connected with a maximum likelihood method and math programming.
结合有限单元法和数学规划法提出一确定地基固结过程中材料参数的反分析法。
Combining finite element method and the mathematical programming technique, a procedure of back analysis of consolidation has been developed.
本文应用有限元参数二次规划法求解采煤机牵引行走机构齿轨接触强度问题，介绍了有限元建模和网格划分，分析了计算结果。
The paper deals with the contact strength problem of tractive mechanism of shearer by the finite element parametric quadratic programming method.
本文应用有限元参数二次规划法求解采煤机牵引行走机构齿轨接触强度问题，介绍了有限元建模和网格划分，分析了计算结果。
The paper deals with the contact strength problem of tractive mechanism of shearer by the finite element parametric quadratic programming method.
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