Figure 4

Exact and approximate solutions for \(N=3\), \(\sigma (x, t)=1-\cos (x) e^{-t}\), \(\mathfrak{h}(t)=\cos (t)\) at times \(t=0.25, 0.50, 0.75, 1\) for Example 6.3
Exact and approximate solutions for \(N=3\), \(\sigma (x, t)=1-\cos (x) e^{-t}\), \(\mathfrak{h}(t)=\cos (t)\) at times \(t=0.25, 0.50, 0.75, 1\) for Example 6.3