Differential Quadrature Solution of Hyperbolic Telegraph Equation

Table 2

RMS errors for Problem 1 with Δ𝑡=0.25 using PDQ with Neumann boundary conditions.

𝑡	𝑁=11	𝑁=13	𝑁=17
0.5	2.82𝑒−05	7.74𝑒−07	2.26𝑒−10
1	1.52𝑒−05	3.78𝑒−07	1.45𝑒−10
2	4.44𝑒−06	1.41𝑒−07	8.32𝑒−11
3	3.09𝑒−06	7.63𝑒−08	5.72𝑒−11