“DISCRETIZATION OF LAPLACIAN OPERATOR IN POLAR COORDINATE SYSTEM, USING CRANK-NICOLSON’S (CN) SCHEME AND STABILITY ANALYSIS”. Kashf Journal of Multidisciplinary Research 3, no. 02 (February 26, 2026): 163–176. Accessed July 15, 2026. https://kjmr.com.pk/kjmr/article/view/844.