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I have a function that takes an N X M array, A, and I want to take the sum of each column. The sum of the rows and sums of the two diagonals, the major diagonal first.

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Joshua
Joshua 2023-2-16
评论： Joshua 2023-2-16
function [s] = multiSum(A)
s=sum(A(:,end))
end

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Walter Roberson
Walter Roberson 2023-2-16
You can extract diagonals by using diag . And I see you already found sum . Be sure to read about the dim parameter of sum

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