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 [Q]During the non-linear curve fit

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ydjang Posted - 10/11/2006 : 04:45:54 AM
Origin Version (Select Help-->About Origin):7.5
Operating System:windows XP

In making the fitting function, I would like to use worksheet data as one of the fitting parameters. How can I include the worksheet data to the fitting parameter.

Please, help me.
x column of worksheet data is the same with the independent variable of the raw data, for which I try to fit.

Thank you.
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zachary_origin Posted - 10/11/2006 : 09:58:32 AM
Hi ydjang,

Maybe you can create a user-defined function with multiple independent variables. In the section of independent variable, define another variable, say 'A', as well as 'x'. See these links for how to fit with multiple independent variables:
http://www.originlab.com/index.aspx?s=9&pid=434
http://www.originlab.com/www/helponline/origin/Fitting_With_Multiple_Independent_Variables.htm

Zachary
OriginLab Technical Services.

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