how should i define condition in for loop to get the index of a vector .?

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Mustafa AL-Kalsh
Mustafa AL-Kalsh 2018 年 10 月 29 日
回答済み: jonas 2018 年 10 月 29 日
hello all, I have a Binary vector, and I want to check each element of this vector with the condition to apply some changes depend if 0 or 1 from this vector, I connect this vector with for loop still the condition to get the index how should I write it after entering the loop.
  1 件のコメント
madhan ravi
madhan ravi 2018 年 10 月 29 日
an example?


回答 (1 件)

jonas 2018 年 10 月 29 日
It sounds like you should learn about logical indexing instead of trying to solve your issue with loop.
For example, consider a binary vector id = [0 1 0 1], and an array, A = [1 2 3 4]. You want to take the sum of those elements in A where id = true?
ans =
Simple as that

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