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