@inproceedings{paperid:1094139, author = {Effati, Sohrab}, title = {An extended Euler-Lagrange equations for discrete time-delay optimal control problem with time-varying}, booktitle = {پنجمین سمینار ملی کنترل و بهینه سازی}, year = {2023}, location = {یزد, IRAN}, keywords = {Pontryagin’s maximum principle; Discrete–time optimal control problem; Riccati problem; Euler-Lagrange equations}, }