一个关于数组特征值统计的问题。
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现有一个数组
A=[1 2 3 6 5 8 9 0 0
1 4 7 8 5 2 3 6 9
1 4 7 8 9 0 0 0 0
1 2 3 6 9 0 0 0 0
1 4 5 6 9 0 0 0 0 ]
现想通过一个函数 B=long_1(A) 得到B=[7 9 5 5 5]'
请问各位大神该怎么编写这个函数?
即求每行的非零数值的个数
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