965367.fig.001a
(a)
965367.fig.001b
(b)
965367.fig.001c
(c)
965367.fig.001d
(d)
965367.fig.001e
(e)
965367.fig.001f
(f)
Figure 1: The surface shows the solution for (1.1): (a) , (b) , (c) , (d) , (e) , and (f) exact solution.