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 fitting with two independent variables
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gilles wat

France
20 Posts

Posted - 03/26/2002 :  06:35:02 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
With a function as:
z=a*x^2+b*y^2
How can I assign columns to z,x and y

Laurie

USA
404 Posts

Posted - 03/26/2002 :  2:21:49 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
nlsf.x1$ will set the first independent variable
nlsf.x2$ will set the second independent variable
nlsf.y$ or nlsf.fitdata$ will set the dependent variable

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