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select/ extract only increasing part among both increasing and decreasing set of data

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Heramb Gaikwad
Heramb Gaikwad 2019-5-1
评论： Heramb Gaikwad 2019-5-1
I have a data set which initially increases and then decreases. I want to select/ extract only increasing part. How shall I do this?

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回答（1 个）

Walter Roberson
Walter Roberson 2019-5-1
locs = strfind([diff(DATA)<0,true], [0 1]) + 1;
DATA(1:locs(1))
The code was written like this to have protection for the case where the data is all ascending. You could also find(diff(DATA)<0,1) and test for isempty()
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Heramb Gaikwad
Heramb Gaikwad 2019-5-1
Thank you Sir for quick reply
Actually I got this command somewhere, which determine the peak value from this we can extract the data in increasing order
[peaks,idx]=findpeaks(A);

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