计算夫琅禾费单缝衍射的强度和条纹的代码，对于学习物理光学和做模拟波动光学的人，非常有用。-calculate Fraunhofer single-slit diffraction intensity and stripe . It is useful for study of physical optics and wave optics simulation.

光栅衍射的强度和条纹。光栅的光学实验中有着分光、压缩脉冲等重要作用。研究它有重要的意义。-Grating diffraction intensity and stripes. Spectral the grating optical experiments have, the compressed pulse an important role. Research it has important significance.