Figure 1
(a) 3D plot of exact solution, (b) 3D plot of approximate solution, (c) 3D plot of absolute error function for Example 6.1 for \(N=4\), \(\sigma (x, t)=1-0.5 e^{-x t}\), and \(\mathfrak{h}(t)=\cos (t)\)
Figure 1 | Advances in Difference Equations