[General Information]

Function Name=ExpGro3	; name show up in the select function dialog
Brief Description=Exponential Growth 3
Function Type=Built-in		; source type, built-in, user-defined, external dll
Function Form=Expression	; function form;
Function Source=fgroup.ExpGro3
Number Of Parameters=7
Number Of Independent Variables=1
Number Of Dependent Variables=1


[Fitting Parameters]

Naming Method=user-defined
Names=y0,A1,t1,A2,t2,A3,t3
Lower bounds=--,0.0(X,OFF),0.0(X,OFF),0.0(X,OFF),0.0(X,OFF),0.0(X,OFF),0.0(X,OFF)
Upper bounds=--,--,--,--,--,--,--
Meanings=offset,amplitude,growth constant,amplitude,growth constant,amplitude,growth constant


[Independent Variables]

x = 


[Dependent Variables]

y = 


[Constants]


[Formula]
y = A1*exp(x/t1) + A2*exp(x/t2) + A3*exp(x/t3) + y0

[Constraints]


[Parameters Initialization]
int sign;
t1 = get_exponent(x_data, y_data, &y0, &A1, &sign);
t1 = t2 = t3 = 1 / t1;
A1 = A2 = A3 = sign * exp(A1) / 3;


[Initializations]


[After fitting]


[Controls]
General Linear Constraints=Off
Initialization scripts=Off
Scripts After fitting=Off
