在matlab中调用数值求根函数对平面光导波的导模进行求解，并计算出导模中所对应的各参数。(In the MATLAB mode on the plane optical wave guide function calls for solving numerical roots, and calculate the parameters of the corresponding guide mode in the.)

在matlab中用数值法求解一阶贝塞尔函数的前10个零点，并作出一阶贝塞尔函数曲线，并在曲线上标注出其零点。(In MATLAB, the first 10 zeros of the first order Bessel function are solved by numerical method, and the first order Bessel function curve is made, and the zero point is marked on the curve.)

声波RTM小程序，可以模拟波场传播，输出偏移结果(acoustic reverse time migration function)