中文说明：
用matlab程序计算任意层平板波导结构。其中主要是slabexec程序，自述有详细使用的程序。可以计算任意层平面波导结构的有效折射率、光场分布和远场分布。
English Description：
matlab routines used to calculate the arbitrary layer slab waveguide structure. Which mainly slabexec procedures, readme has procedures used in detail. Can calculate the arbitrary layers of planar waveguide structure of the effective refractive index, optical field distribution and far-field distribution.