[求助]The input character is not valid in MATLAB statements or expressions

[orangutan110]

运行生成伪随机序列gold码的函数：
function goldseq=gold_seq(prim_poly1,prim_poly2);
mseq1=msequence1(prim_poly1);
mseq2=msequence1(prim_poly2);
for i=0:length(mseq1)-1;
　mseq2_0=[mseq2(i+1:length(mseq1))
mseq2(1:i)];
　goldseq(i+1,:)=mod(mseq1+mseq2_0,2);
end
??? Error: File: gold_seq.m Line: 5 Column: 1
The input character is not valid in MATLAB statements or expressions.
本人菜鸟，求老鸟指点。msequence1是已经编译成功的生成m序列的函数。