The Use of Spectral Methods in Solving Boundary Value Problems and the Study of Their Numerical Efficiency. Noor J. Eng. Mang. Comp. Sc. [Internet]. 2026 Jan. 26 [cited 2026 May 13];2(1):1-13. Available from: https://njemcs.edu.iq/index.php/njemcs/article/view/13