[kinematics] simulation of orbital angular momentum based on MATLAB [including Matlab source code 1971]

One 、 How to get the code

How to get the code 1：
The complete code has been uploaded to my resources ：【 kinematics 】 be based on matlab Simulation of orbital angular momentum 【 contain Matlab Source code 1971 period 】

How to get the code 2：
By subscribing to Ziji Shenguang blog Paid column , With proof of payment , Private Blogger , This code is available .

remarks ：
Subscribe to Ziji Shenguang blog Paid column , Free access to 1 Copy code （ The period of validity From the Subscription Date , Valid for three days ）;

Two 、 Partial source code

clear;
%----------------constants-------------------
c=1;
%-------------things to change---------------
l_start=0; %start OAM
lam=1.5; %Wavelength
A=0.5; %Amplitude
N=100; %
t_stop=10; %Amount of timesteps
z_range=2*lam; %Length of z values
%--------------------------------------------
k=2*pi/lam;
w=k*c;
k_vector=[1 0 0]*k;
%---------vector x--------
z_value=linspace(0,z_range,N); %z on x-axis in plot
L_z=length(z_value);
r=A*ones(1,N);
%----- --------- -------
t_steg=lam/(2*2*pi*c); %Not to big timesteps
t_vector=0:t_steg:t_stop;
%------------------------
z_antal=z_range/lam;
steg=zeros(1,z_antal); %s? att den plana v?gen upprepas
%d? den passerar utanf?r bild.
t=1;
n=1;
l=l_start;
while t<=t_stop
    while l<=l_start+3
        if l==0 %Plane wave
            clf;
            subplot(2,2,n);
            hold on;
            axis([0 z_range -2 2 -2 2]);
            view(51,30);
            axis fill;
            axis square;
            grid on;
%light;

3、 ... and 、 Running results

Four 、matlab Edition and references

1 matlab edition
2014a

2 reference
[1] Menyun Pavilion .MATLAB Physical computing and visualization [M]. tsinghua university press ,2013.

3 remarks
This part of the introduction is taken from the Internet , For reference only , If infringement , Contact deletion