[SciPy-User] Points fitting (non lin)

Paolo Zaffino p.zaffino@yahoo...
Fri Dec 14 10:42:47 CST 2012


Dear Paweł,
thank you for the reply.
I try to explain better the issue.
I have these points (in this order):

P1 = (1,1)
P2 = (2,2)
P3 = (4,2)

P4 = (3,1)

I need to fit the points in the order P1,P2,P3,P4 even if the x coord of P3 is greater than P4.
I thought to quadratic piecewise curve but other solutions are welcome.

Thanks a lot.
Paolo



________________________________
 Da: Paweł Kwaśniewski <pawel.kw@gmail.com>
A: Paolo Zaffino <p.zaffino@yahoo.it>; SciPy Users List <scipy-user@scipy.org> 
Inviato: Venerdì 14 Dicembre 2012 17:25
Oggetto: Re: [SciPy-User] Points fitting (non lin)
 

Dear Paolo,

I'm not sure I understand correctly your problem, but this sounds like a spline fitting job. You can read more about this here: http://docs.scipy.org/doc/scipy/reference/tutorial/interpolate.html 

Is this what you are looking for?

Cheers,



Paweł



2012/12/14 Paolo Zaffino <p.zaffino@yahoo.it>

Dear Scipy community,
>
>
>I have a set of points (2D) and I would compute a curve that fits them.
>The points are ordered in a precise way (not crescent order) and I can't change this order (the curve should fit the points in that order).
>I'm interseting in a non linear fit (the ideal case would be more intervals of quadratic curves).
>Has anyone any advice about?
>
>
>Thank you very much.
>Regards.Paolo  
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