Five parameters logistic function.
Number: 5
Names: Amin, Amax, x0, h, s
Meanings: Amin = Lower Asymmetry, Amax = Upper Asymmetry, x0 = X of Half Y, h = Hill Slope, s = Control Factor
Lower Bounds: s > 0.0
Upper Bounds: none
nlf_Logistic5(x,Amin,Amax,x0,h,s)
FITFUNC\LOGISTIC5.FDF
Growth/Sigmoidal