Azzera filtri
Azzera filtri

findpeaks for different thresholds

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AHN
AHN il 23 Gen 2019
Commentato: AHN il 25 Gen 2019
Hi,
I am trying to find pks and locs for different threshold values. For one threshold value, this has worked fine. But for different threshold values (randomly generated), is there a way to store all the values of pks and locs? I would ideally like, for example, for threshold=x1, results in [pks1,locs1] format..for threshold=x2, results in [pks2,locs2] format and so on. Please let me know.
Thank you!
  2 Commenti
Walter Roberson
Walter Roberson il 23 Gen 2019
Cell array ?
AHN
AHN il 23 Gen 2019
Thank you very much for the reply. Yes, cell array did work. But how to store all values in a for-loop in a cell array?
for Threshold1=linspace(x1,x2,n)
[pks1,locs1] = findpeaks(data);
Results(1).Threshold1 = Threshold1;
Results(1).pks1 = pks1;
Results(1).locs1 = locs1;
end
This code just stores the last values of the iteration.

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Walter Roberson
Walter Roberson il 23 Gen 2019
Thresholds = linspace(x1,x2,n);
for thresh_idx = 1 : length(Thresholds)
Threshold1=linspace(x1,x2,n);
[pks, locs] = findpeaks(data, 'MinPeakHeight', Threshold1);
Results(thresh_idx).Threshold1 = Threshold1;
Results(thresh_idx).pks1 = pks;
Results(thresh_idx).locs1 = locs;
end
  1 Commento
AHN
AHN il 25 Gen 2019
Thank you for a head start on this, was my first time with cell arrays. The above code again stored only the last values of the iteration. However, managed to solve it with the edited code below. Thanks again.
Thresholds=linspace(x1,x2,n);
for thresh_idx = 1 : length(Thresholds);
[pks,locs] = findpeaks(data,'MinPeakHeight',Thresholds(thresh_idx));
Results{thresh_idx}={Thresholds(thresh_idx),[pks,locs]};
end

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