voigt_approx
- mcalf.profiles.voigt.voigt_approx(x, a, b, s, g, d)[source]
Voigt function (efficient approximation) with background.
- Parameters
- Returns
result – The value of the Voigt function here.
- Return type
numpy.ndarray, shape=`x.shape`
See also
voigt_approx_nobg
Base approximated Voigt function with no background.
double_voigt_approx_nobg
Two approximated Voigt functions added together.
double_voigt_approx
Two approximated Voigt functions and a background added together.
voigt_nobg
Base Voigt function with no background.
voigt
Voigt function with background added.
double_voigt_nobg
Two Voigt functions added together.
double_voigt
Two Voigt function and a background added together.
Notes
This algorithm is taken from A. B. McLean et al. 1.
References
- 1
A. B. McLean, C. E. J. Mitchell and D. M. Swanston, “Implementation of an efficient analytical approximation to the Voigt function for photoemission lineshape analysis,” Journal of Electron Spectroscopy and Related Phenomena, vol. 69, pp. 125-132, 1994. https://doi.org/10.1016/0368-2048(94)02189-7