Update array elements with the element before

2022 11 3
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更新时间：2022 11 3
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Hey, How can i update array elements by adding to each element the whole elements before, e.g if i have an array with (1 2 3 4 5 6) i want to have the answer of (1 1+2 1+2+3 1+2+3+4 --------)?
Best regards!

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回答（1 个）

Stephen23
Stephen23 2022-11-3
编辑：Stephen23 2022-11-3
Ran in:

0 个投票

Ran in:
V = 1:6
V = 1×6
1 2 3 4 5 6
Z = cumsum(V)
Z = 1×6
1 3 6 10 15 21

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