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Temporally Semidiscrete Approximation of a Dirichlet Boundary Control for a Fractional/Normal Evolution Equation with a Final Observation
Journal of Scientific Computing ( IF 2.5 ) Pub Date : 2021-05-21 , DOI: 10.1007/s10915-021-01522-y Qin Zhou , Binjie Li
中文翻译:
分数/正态发展方程带最终观测值的狄利克雷边界控制的时间半离散逼近
更新日期:2021-05-22
Journal of Scientific Computing ( IF 2.5 ) Pub Date : 2021-05-21 , DOI: 10.1007/s10915-021-01522-y Qin Zhou , Binjie Li
Optimal Dirichlet boundary control for a fractional/normal evolution equation with a final observation is considered. The unique existence of the solution and the first-order optimality condition of the optimal control problem are derived. The convergence of a temporally semidiscrete approximation is rigorously established, where the control is not explicitly discretized and the state equation is discretized by a discontinuous Galerkin method in time. Numerical results are provided to verify the theoretical results.
中文翻译:
分数/正态发展方程带最终观测值的狄利克雷边界控制的时间半离散逼近
考虑具有最终观察结果的分数/正态发展方程的最佳Dirichlet边界控制。推导了该解的唯一性和最优控制问题的一阶最优性条件。严格建立时间半离散逼近的收敛,在这种情况下,没有明确离散控制,而状态方程通过不连续Galerkin方法及时离散。提供数值结果以验证理论结果。