[General Information]

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


[Fitting Parameters]

Naming Method=user-defined
Names=A
Lower bounds=--
Upper bounds=--
Meanings=center


[Independent Variables]

x = 


[Dependent Variables]

y = 


[Constants]


[Formula]

y = ln(x-A)

[Constraints]


[Parameters Initialization]
sort( x_y_curve );
smooth( x_y_curve );
x_y_curve = exp( x_y_curve );
double coeff[2];
fitpoly( x_y_curve, 1, coeff);
A = -coeff[0];


[Initializations]


[After fitting]


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

