MATLAB ......\ECD_Wave.m ......\EF_Euler.m ......\ex0901.m ......\ex0902.m ......\ex0903.m ......\ex0904.m ......\ex0905.m ......\ex0906.m ......\ex0907.m ......\ex0908.m ......\ex0909.m ......\fem_basis_ftn.m ......\fem_coef.m ......\Grank_Nicholson.m ......\Helmholtz.m ......\Helmholtz_Newton.m ......\IB_Euler.m ......\Show_Basis.m ......\TDE.m ......\Wave2.m