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Carlos Alvarez-Santullano


自 2017 起处于活动状态

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统计学

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sum special rows on a matrix with unique function
Hey guys! what I want is to sum column 5 just if the values from row A(:,1:4) are equals as in the e.g A = [9 1001381 18...

7 years 前 | 2 个回答 | 0

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Help with if condition
he thing is i have a matrix where the first column is the code of the item sold and the second column is the week where that ite...

7 years 前 | 0 个回答 | 0

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If loop to know if event happens on a matrix then 1, how to do it?
Im working with a really big matrix of sales and i want to know if theres a sale of each item on a week (already separate them) ...

7 years 前 | 3 个回答 | 0

3

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