MATLAB滞环动画编程

clc
clear
close all
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

B=1; %环的高度
m=1.5;%m是向量，向量的长度代表环的个数
A=0.25;% 环的宽度，[-（mA+AmA）][mAmA+A] 表示环的边界
n=1:512;
x=cos（2*pi/50*n）;  %抽样信号
N=length（x）;
% x=abs（x）;
% x=x+0.1*randn（1N）;

Xmax=max（abs（x））;
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% % 绘制环
DT=[m*A0
   m*AB
   m*A+AB
    m*A+A0
    m*A0
    -m*A0
    -m*A-B
    -m*A-A-B
   -m*A-A0
 -m*A 0];
DTsize=size（DT）;
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
state=[1x（1）B3];%初始状态

for i=2:N
    
    state（i1）=i;
    state（i2）=x（i）;
    if x（i）<=-m*A-A
        state（i4）=-3;
    elseif x（i）>-m*A-A & x（i）<-m*A
        state（i4）=-2;
    elseif x（i）>-m*A & x（i）<0
        state（i4）=-1;
    elseif