MATLAB: Finding the highest peak in each section of a graph

peak

Hi,

I managed to plot a graph of torque against time but I am having trouble trying to find the highest peak for each of the 3 curves ("trial") on this continuous graph. I managed to find all the peaks with "findpeaks(y)" but I only want the highest one for each "trial".

Any ideas how I could do it? (I just started on matlab and have no programming knowledge so it would be great if it could be as simple as possible!)

Thanks!

Best Answer

Call the findpeaks function with MinPeakProminence specified. For example, try this

findpeaks(y, 'MinPeakProminence', 100); % tune the value of MinPeakProminence

Related Solutions

MATLAB: Remove peaks below a threshold using findpeaks function

You also need to remove those points from loc

smallPeakIndexes = Peaks < 0.01*max(Peaks);
Peaks(smallPeakIndexes) = [] ; %Reject Y value of peaks below this threshold

Locs(smallPeakIndexes) = [] ; %Reject Y value of peaks below this threshold

MATLAB: How to Find Prominence of Peaks

@Ephraim Bryski,

Yes, the prominence is the fourth (and optional) output argument of findpeaks().

[pks,locs,w,p]=findpeaks(Data);

returns the prominences in p.

[pks,locs,w,p]=findpeaks(Data,'MinPeakProminence',1000);

finds peaks with prominence >=1000 and returns the prominences in p.

Best Answer

Related Solutions

MATLAB: Remove peaks below a threshold using findpeaks function

MATLAB: How to Find Prominence of Peaks

Related Question