[求助]关于一个无效字符
 

M=30
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%生成两个密钥
key1=0.01
key2=0.02

x=zeros(1,30);
%x2=zeros(1,30);
%r=data1; %%定义变量空间
for t=M:-1:1;
　　 [COLOR="Red"]x(1)=key1;[/COLOR]
for n=1:M-1;
　　　x(n+1)=1-2*x(n)^2;
n=n+1
　　end;
end

??? 　　 x(1)=key1;
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Error: The input character is not valid in MATLAB statements or expressions.


请假：这该怎么改呢？我只是想产生个logistic映射的混沌序列
谢谢