... 另一方面,具有二次性能指标的离散时滞系统的最优控制问题可能会导 致既含有超前项又含有时滞项的离散线性两点边值问题(TPBV),但是直接求 时滞系统最优控制律的精确解是非常困难,因此求解离散时滞系统的近似最 优控制律是科学工作者追求的目标之一。
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The existence of multiple positive solutions for some fourth-order two-point boundary value problems are obtained by using the fixed point theorem in cone. The obtained results improve and extend the existing results partially.
本文应用锥上的不动点定理,研究了该类四阶常微分方程两点边值问题多个正解的存在性,给出了该类问题多个正解存在的充分条件,本文结果推广和改进了一些已知结果。
参考来源 - 一类四阶两点边值问题多个正解的存在性·2,447,543篇论文数据,部分数据来源于NoteExpress
并将抽象结果应用到超线性微分方程两点边值问题。
Finally, the abstract results are applied to superlinear two-point boundary value problems.
本文提出了一个用反向延拓法求解两点边值问题的一种迭代法。
An iterative method for solving the two points boundary value problem by the back - ward extend method is presented.
对于非线性四阶两点边值问题建立了一个孪生正解的存在定理。
An existence theorem of twin positive solutions is established for a nonlinear fourth-order two-point boundary value problem.
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