[General Information]

Function Name=Log2P2	; name show up in the select function dialog
Brief Description=two-parameter logarithm
Function Type=Built-in		; source type, built-in, user-defined, external dll
Function Form=Expression	; function form;
Function Source=fgroup.Log2P2
Number Of Parameters=2
Number Of Independent Variables=1
Number Of Dependent Variables=1


[Fitting Parameters]                        

Naming Method=user-defined
Names=a,b
Lower bounds=--,--
Upper bounds=--,--
Meanings=offset,cofficient

[Independent Variables]
x = 

[Dependent Variables]
y = 

[Constants]

[Formula]

y = ln(a+b*x)

[Constraints]


[Parameters Initialization]
sort( x_y_curve );
//smooth( x_y_curve, 2 ); 
x_y_curve = exp( x_y_curve );
double coeff[2];
fitpoly( x_y_curve, 1, coeff);  
a = coeff[0];
b = coeff[1];


[Initializations]

[After fitting]

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