sum of array elements with specific condition?

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MUKESH KUMAR
MUKESH KUMAR 2018-8-29
评论： MUKESH KUMAR 2018-8-29
lets say I had A=[1 0 1 1 0 1 0 1 0 0 1 1 1 1]; then I want B(1)=sum of all A elements, B(2)= sum all elements of A from A(2) excluding a(1), similarly for B(3) = sum of all A elements with excluding A(1),A(2) and so on...then B should be B=[9 8 8 7 7 6 5 5 4 4 4 3 2 1] thanks

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采纳的回答

Stephen23
Stephen23 2018-8-29
>> fliplr(cumsum(fliplr(A)))
ans =
9 8 8 7 6 6 5 5 4 4 4 3 2 1

更多回答（1 个）

jonas
jonas 2018-8-29
编辑：jonas 2018-8-29
This seems to be what you are after:
fliplr(cumsum(fliplr(A)))
ans =
9 8 8 7 6 6 5 5 4 4 4 3 2 1
5th digit is off. Could it be a mistake on your end?

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