Changing Values in a column due to another value

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Patrick Lonergan
Patrick Lonergan 2021-5-30
回答： Dyuman Joshi 2021-5-30
I have a collumn which contains 0s and 1s. The value 1 indicates that a failure occurred. I want to change the previous 6 rows prior to the failure to 1s also.
Does anyone have any idea about the best method to do this?

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回答（1 个）

Dyuman Joshi
Dyuman Joshi 2021-5-30
i = find(c==1,1,'first'); %c is the column vector
if i>6
c(i-6:i-1)=1;
else
c(1:i-1)=1;
end

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