hess_edge_gaussian¶
- TRXASprefitpack.mathfun.hess_edge_gaussian(e: float | ndarray, fwhm_G: float) ndarray[source]¶
hessian of gaussian type edge
- Parameters:
e – energy
fwhm_G – full width at half maximum
- Returns:
hessian of gaussian edge function
Note
1st column: d^2f/de^2
2nd column: df/de d(fwhm_G)
3rd column: d^2 f / d(fwhm_G)