Figure 4From: Fourth-order compact finite difference method for solving two-dimensional convection–diffusion equationThe effect of numerical solution and exact solution at fixed \(T = 1, h = \frac{1}{8}\) and \(\tau= \frac{1}{64}\) in Example 1. (a) \(N=2^{4}\). (b) \(N=2^{4}\)Back to article page