Unconstrained Quadratic Programming Problem with Uncertain Parameters

S. Kek, Fong Peng Lim, Harley Ooi
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Abstract

In this paper, an unconstrained quadratic programming problem with uncertain parameters is discussed. For this purpose, the basic idea of optimizing the unconstrained quadratic programming problem is introduced. The solution method of solving linear equations could be applied to obtain the optimal solution for this kind of problem. Later, the theoretical work on the optimization of the unconstrained quadratic programming problem is presented. By this, the model parameters, which are unknown values, are considered. In this uncertain situation, it is assumed that these parameters are normally distributed; then, the simulation on these uncertain parameters are performed, so the quadratic programming problem without constraints could be solved iteratively by using the gradient-based optimization approach. For illustration, an example of this problem is studied. The computation procedure is expressed, and the result obtained shows the optimal solution in the uncertain environment. In conclusion, the unconstrained quadratic programming problem, which has uncertain parameters, could be solved successfully.
参数不确定的无约束二次规划问题
讨论了一类参数不确定的无约束二次规划问题。为此,引入了优化无约束二次规划问题的基本思想。求解线性方程组的方法可用于求解这类问题的最优解。随后,对无约束二次规划问题的优化问题进行了理论研究。这样就考虑了模型参数为未知值。在这种不确定情况下,假设这些参数是正态分布的;然后,对这些不确定参数进行仿真,利用基于梯度的优化方法迭代求解无约束的二次规划问题。为了说明这一问题,本文研究了一个实例。给出了计算过程,所得结果为不确定环境下的最优解。结果表明,具有不确定参数的无约束二次规划问题可以成功求解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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