Enadi, M.O. and AL-Jawary, M.A. 2025. A Numerical Study of Initial and Boundary Conditions Problem for Wave Equation Using the Operational Matrices. Ibn AL-Haitham Journal For Pure and Applied Sciences. 38, 4 (Oct. 2025), 376–397. DOI:https://doi.org/10.30526/38.4.4097.