matlab程序，生成一个矩形孔，通过菲涅尔衍射积分计算其在全息面的衍射场-matlab program that generates a rectangular hole, calculate the diffracted field in holographic Fresnel diffraction integral by

这是比例导引的MATLAB程序,其中龙格库塔积分的程序很简单且通用性强,-This is the MATLAB program, proportional guidance which runge kutta integration program is very simple and versatility is strong,