Error:File:E:\MATLAB7\work\Untitled3.m Line:5 Column:30 Miss

来源：学生作业帮编辑：作业帮分类：综合作业时间：2024/07/14 22:34:45

Error:File:E:\MATLAB7\work\Untitled3.m Line:5 Column:30 Missing variable or function.
Wp=0.2*pi;Ws=0.4*pi;Rp=1;As=50;
F=[Wp/pi,Ws/pi];
dev=[(10^(Rp/20)-1)/(10^(Rp/20)+l),10^(-As/20)];
[n,wn,beta]=kaiserord(F,[1 0],dev);
h=fir1(n,wn,kaiser(n+1,beta),’noscale’)
freqz(h,1,1024)
Error:File:E:\MATLAB7\work\Untitled3.m Line:5 Column:30
Missing variable or function.这是为什么应该怎么改

dev=[(10^(Rp/20)-1)/(10^(Rp/20)+l),10^(-As/20)];
中间的l没有定义
再问：额，打的快了些其实是数字1.可是改完后还是出现下面的错误。
再答：是不是因为引号的问题
再问：提示是缺少变量或函数
再答：是哪一行的错误？我运行这个图都出来了啊
再问： ??? Error: File: E:\MATLAB7\work\Untitled3.m Line: 5 Column: 30 Missing variable or function.
再答：很可能就是引号的问题，你仔细看看

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