9
代码说明：
说明： matlab科学计算继续上传，一共10个章节，由浅入深，几乎包括了绝大部分的科学计算方法以及仿真。本人把部分算法做了优化，更为完善(matlab scientific computing continue to upload, a total 10 chapters, easy-to-digest, almost, including most of the scientific method of calculation and simulation. I have done a part of algorithm optimization, a more perfect)
文件列表：
第9章
.....\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
.....\possion.m
.....\Show_Basis.m
.....\TDE.m
.....\Wave2.m
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