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矩陣維度不一樣!!! 怎分別算長度??。
你的矩阵应该是a=[1 2 3 4 5 6 ； 4 5 6 7 6 0 ； 3 4 5 6 0 0 ];你的意思就是相当于统计每行非零数的个数； B=abs（sign(a)）； ind=sum（B，2）ind就是你计算的每行非0数，这样应该比...
3 years ago | 0
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