deriv_edge_gaussian¶ TRXASprefitpack.mathfun.deriv_edge_gaussian(e: float | ndarray, fwhm_G: float) → ndarray[source]¶ derivative of gaussian type edge Parameters: e – energy fwhm_G – full width at half maximum Returns: first derivative of gaussian edge function Note 1st column: df/de 2nd column: df/d(fwhm_G)