SOLVING NONLINEAR DELAY-DIFFERENTIAL-ALGEBRAIC EQUATIONS WITH SINGULAR PERTURBATION VIA BLOCK BOUNDARY VALUE METHODS

Xiaoqiang Yan, Xu Qian, Hong Zhang, Songhe Song, Xiujun Cheng

Journal of Computational Mathematics . 2023, (4): 643 -662 . DOI: 10.4208/jcm.2109-m2021-0020