Need help using the count function

2019 10 9
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更新时间：2019 10 9
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hi lets say i have an array 4x5 and it is compossed of 0's and 1's
as so a=[ 1 0 1 0 1;
1 1 0 1 1;
0 1 0 1 0;
1 0 1 0 1;]
and i want to count the zeros in each collumn
so im writing count(a,0) but i am getting erros ive read the material but dont understand what the string array means

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Walter Roberson
Walter Roberson 2019-10-9

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sum(a == 0, 1)
count() is primarily a method for processing string() datatype.

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