iPeak: Interactive Peak Detector (Version 5.3) by Tom O'Haver

Keypress operated interactive peak detector function. (peak detection, analytical chemistry, instrumental analysis)

P=findpeaks(x,y,SlopeThreshold,AmpThreshold,smoothwidth,pea...

P=findpeaksnr(x,y,SlopeThreshold,AmpThreshold,smoothwidth,p...

P=findpeaksplot(x,y,SlopeThreshold,AmpThreshold,smoothwidth...

Peak finding and measurement by Tom O'Haver

Function to locate and measure the positive peaks and valleys in noisy data sets. (peak detection, analytical chemistry, chemistry)

AmpTSlider(n,h)

BGSlider(n,h)

FitSlider(n,h)

Demo functions for peak detection and fitting. by Tom O'Haver

A collection of self-contained demonstration functions for iPeak.m and peakfit.m. (signal processing, peak detection)

DemoPeakfitBootstrap

PeakFitDemo11Lor

idemo

peakperformance by Peter O'Connor

Find local peaks in a signal (findpeaks, peak detection, local maxima)

[locs pks]=peakperformance(x,cfg)

Local min, max, nearest neighbour by Sergei Koptenko

Find local minima, maxima, match value in vector. (local min, nearest neighbour, max)

[lmval,indd]=lmax(xx,filt)

[lmval,indd]=lmax_pw(xx, dx)

[lmval,indd]=lmin(xx,filt)

peakdetect.m by Tom McMurray

Generates and graphically displays the positive and negative polarity peak index vectors of input. (peak detection, polarity, detect)

[pospeakind,negpeakind]=peakdetect(signal)