Build the Savitzky-Golay derivative filter (Savitzky-Golay, 1964).
Usage
bDrvFilt(nDrv, tstep, winL = 9)
Value
dFlt A matrix of size (nDrv+1) * winL
Arguments
nDrv
The number of derivatives to be computed.
tstep
Sampling time.
winL
The local window length to be used for computing the derivatives [1].
Author
Sylvain Mangiarotti
References
[1] Savitzky, A.; Golay, M.J.E.,
Smoothing and Differentiation of Data by Simplified Least Squares Procedures.
Analytical Chemistry 36 (8), 1627-1639, 1964.