[GENERAL INFORMATION]
Function Name=SLogistic2
Brief Description=Sigmoidal Logistic function, type 2
Function Source=fgroup.SLogistic2
Function Type=Built-in
Function Form=Expression
Number Of Parameters=3
Number Of Independent Variables=1
Number Of Dependent Variables=1


[FITTING PARAMETERS]
Naming Method=User-Defined
Names=y0, a, Wmax
Meanings=y initial value, amplitude, Maximun growth rate
Lower Bounds=0.0(X,ON),0.0(X,ON),0.0(X,ON)
Upper Bounds=--,--,--
Number Of Significant Digits=


[FORMULA]
y = a/(1 + ((a-y0)/y0)*exp(-4*Wmax*x/a))


[CONSTRAINTS]
a > y0


[Parameters Initialization]
sort( x_y_curve );
//smooth( x_y_curve, 2 );
y0 = min( y_data );
a = max( y_data );
Wmax = a / fwhm( x_y_curve );


[CONSTANTS]


[INITIALIZATIONS]



[AFTER FITTING]



[INDEPENDENT VARIABLES]
x=


[DEPENDENT VARIABLES]
y=


[CONTROLS]
General Linear Constraints=Off
Initialization Scripts=Off
Scripts After Fitting=Off
Number Of Duplicates=N/A
Duplicate Offset=N/A
Duplicate Unit=N/A

