Interactive Derivative: s=boxcar(w) - File Exchange

Code covered by the BSD License

DerivativeBackground(n,h) Re-draws graph when Background slider is changed
DerivativeHeight(n,h) Re-draws graph when Amp slider is changed
DerivativeNoise(n,h) Re-draws graph when Noise slider is changed
DerivativeOrder(n,h) Re-draws graph when Order slider is changed
DerivativeResample(n,h) Re-draws graph when Resample slider is changed
DerivativeScale(n,h) Re-draws graph when Exponent slider is changed
DerivativeSlope(n,h) Re-draws graph when BackgroundPosition slider is changed
DerivativeSmoothWidth(n,h) Re-draws graph when Smoothwidth slider is changed
DerivativeWidth(n,h) Re-draws graph when Width slider is changed
InteractiveDerivative1(n,h) Re-draws graph when Smoothwidth slider is changed
InteractiveDerivative2(n,h) Re-draws graph when Scale slider is changed
InteractiveDerivative3(n,h) Re-draws graph when scale slider is changed
InteractiveDerivative4(n,h) Re-draws graph when Order slider is changed
d=deriv(a) First derivative of vector using 2-point central difference.
exp(-((x-pos)./(0.6006.*wid))...
rtslid(fig,f,hh,varargin) RTSLID Slider widget that responds to dragging realtime
s=boxcar(w) boxcar(w) = Rectangular function of width w
s=bsmooth(a,w) % Convolution...
smoothwidth. Works well with ...
DerivativeDemo.m
InteractiveDerivative.m
InteractiveDerivativeRedraw.m
InteractiveDerivativeTest.m
RedrawDerivative.m
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from Interactive Derivative by Tom O'Haver
Interactive Derivative for time-series signals.

s=boxcar(w)
function s=boxcar(w) % boxcar(w) = Rectangular function of width w % T. C. O'Haver, 1988. s=ones(1,w);