Figure 6From: Fourth-order compact finite difference method for solving two-dimensional convection–diffusion equationThe effect of numerical solution and exact solution at fixed \(T = 1, h = \frac{1}{32}\) and \(\tau= \frac{1}{1024}\) in Example 2. (a) \(N=2^{4}\). (b) \(N=2^{4}\)Back to article page