bkg_gsas_f6
'GSAS background function 6 - GSAS manual page 130 'to model rise at low Q (air scatter) and high Q (thermal diffuse scattering) 'NOTE Topas will not currently plot this function on the difference plot 'P. Whitfield macro Bkg_GSAS_f6(bk1, b1v, bk2, b2v, bk3, b3v, bk4, b4v, bk5, b5v, bk6, b6v, bk7, b7v, bk8, b8v, bk9, b9v, bk10, b10v, bk11, b11v, bk12, b12v, bk13, b13v, bk14, b14v, bk15, b15v) { prm bk1 b1v prm bk2 b2v prm bk3 b3v prm bk4 b4v prm bk5 b5v prm bk6 b6v prm bk7 b7v prm bk8 b8v prm bk9 b9v prm bk10 b10v prm bk11 b11v prm bk12 b12v prm bk13 b13v prm bk14 b14v prm bk15 b15v prm Q = 4 Pi Sin(X Deg_on_2) / Lam; fit_obj = bk1 + (bk2 Q^2 + bk3/Q^2) + (bk4 Q^4/2 + 2 bk5/Q^4) + (bk6 Q^6/6 + 6 bk7/Q^6) + (bk8 Q^8/24 + 24 bk9/Q^8)+ (bk10 Q^10/120 + 120 bk11/Q^10) + (bk12 Q^12/720 + 720 bk13/Q^12) + (bk14 Q^14/5040 + 5040 bk15/Q^14) ; }
bkg_gsas_f6.txt · Last modified: 2022/11/03 15:08 by 127.0.0.1