This problem is main to solve a PDE. And we have validate hte program with the analysis results.
File list:
Engineering Mathematics Examination
..................................\chuzhi.m
..................................\ejds.m
..................................\jifen.m
..................................\Q2_DV-N.fig
..................................\Q2_V-N.fig
..................................\Q3_x(t)&y(t).fig
..................................\Q3_y-x.fig
..................................\Q5.fig
..................................\Question_1.m
..................................\Question_2.m
..................................\Question_3.m
..................................\Question_4.m
..................................\Question_5.m
..................................\Q_4_y-t.fig
..................................\wffcz.m