Journal of Applied Mathematics

Research Article

Differential Quadrature Solution of Hyperbolic Telegraph Equation

Table 4

Relative errors of Problem 2 with 𝑁 = 𝑀 = 1 7 using PDQ.
𝑡 Δ 𝑡 = 0 . 2 5 Δ 𝑡 = 0 . 5
0.5 1 . 1 8 𝑒 − 0 9 8 . 8 0 𝑒 − 0 5
1 1 . 1 1 𝑒 − 0 9 5 . 9 4 𝑒 − 0 5
2 4 . 2 8 𝑒 − 1 0 9 . 1 7 𝑒 − 0 5
3 1 . 3 6 𝑒 − 1 0 1 . 0 9 𝑒 − 0 4