571ec0d2-0c1b-45b8-87da-c9dfd238ac31 36 6 9 decimal
&[DATE] &[TIME] - &[FILENAME]
&[PAGENUM] / &[COUNT]
 1 XYLea 1 1 sys

Note: Lea did not explain the data set. Maybe a portion of a chirp ? Though, a window length is lost at both ends, the essential of the information is sufficiently well recovered for spectral analysis. Both ends can be smoothed with parabolic arcs.

Savitsky-Golay demo example

Savitsky-Golay nth order polysmooth window ... a primer example => sanity working

data order window SG_PW O 1 : comply Smath ORIGIN 1 ≡ i window - window range t i window 1 + / : u O i + window + el t : w O i + window + el 1 t 2 ^ - : 3 1 line for i 1 u rows range j 1 order range idx i el i i / : v i j el u i el ( j ^ : X idx v augment ( : 3 1 line for for i 1 w rows range j 1 X cols range WX i j el w i el X i j el * : for for c WX X transpose ( WX * ( 1 - ^ O col * : Y data 2 col : n data rows : i O window + ( O n + 1 - window - ( range z Y i window - ( i window + ( O O submatrix : S i window - el c z * : 2 1 line for v window n 1 - window - ( range : v S augment 10 1 line : 355 315 XYLea smooth 2 1 sys