不知道为什么报这样的错:Attempted to access e(10,:); index out of bounds because size(e)=[0,256]fid=fopen('test1.txt','rt'); %打开文件y=fscanf(fid,'%f'); %读数据e=fra(256,128,y); %对y分帧,帧长256,帧移128ee=e(10,:); %选取
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