2-D Savitzky-Golay Smoothing Filter - Matlab script

Publisher review:
2-D Savitzky-Golay Smoothing Filter - the Polynomial smoothingfilter or the least-squares smoothing filter. 2-D Savitzky-Golay smoothing filter (i.e., the polynomial smoothing filter, or the least-squares smoothing filter)Usage:h=sgsf_2d(x,y,px,py,flag_coupling)x = x data point, e.g., -3:3y = y data point, e.g., -2:2 px =x polynomial order default=1 py =y polynomial order default=1flag_coupling = with or without the consideration of the coupling terms, between x and y. default=0Example:sgsf_2d(-3:3,-3:3,2,2)sgsf_2d(-3:3,-3:3,2,2,1)
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