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)

Diffraction grating, version 2 by Tom O'Haver

Aids for learning and teaching about the principles of diffraction gratings. (chemistry, physics, optics)

interference

monograting

ordergrating

Interactive Smoothing by Tom O'Haver

Interactive smoothing for time-series signals (chemistry, physics, smoothing)

DemoSmooth1(n,h)

DemoSmooth2(n,h)

DemoSmooth3(n,h)

Interactive Derivative by Tom O'Haver

Interactive Derivative for time-series signals. (chemistry, physics, signal processing)

DerivativeBackground(n,h)

DerivativeHeight(n,h)

DerivativeNoise(n,h)

Interactive resolution enhancement function by Tom O'Haver

Slider-controlled resolution enhancement, written as a single self-contained Matlab function. (chemistry, physics, spectroscopy)

ire(x, signal)

Interactive Resolution Enhancement by Tom O'Haver

Mathematically simple, quickly-computable resolution enhancement for time-series signals consisting (example, application, spectroscopy)

DemoResEnhanceFactor2(n,h)

Enhancedsignal=enhance(signal,factor1,factor2,SmoothWidth)

ResEnhance2F1(n,h)