Re: [Maxima-discuss] Reg. Polynomial curve fit

[Stavros M. (Σ. Μ. <mac...@al...>]

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On Thu, Jan 1, 2015 at 10:14 AM, Dr. M Kanagasabapathy <rr...@gm...>
wrote:

> Dear Maxima members,
> I am a very newbie to Maxima. Actually I am shifting from mathematica.
> Really Maxima is rather intuitive.  I have 'n' number of x, y data sets and
> i wish to fit in the form of (n-1) order polynomial equation. y =
> a*x^(n-1)+b*x^(n-2) ....and so on. I have tried these codes:
> load (lsquares) $
> p:matrix([x, y set Data 1], [x, y set Data 2], [x, y set Data 3]...)
> lsquares_estimates ( p, [x,y], a*x^(n-1)+b*x^(n-2) ..., [a, b,c,...]);
>
> But it throws syntax error. Kindly give the exact code for the polynomial
> fit for numeric data.
>
> *Also please help me to get the code to load a set of numeric data from an
> Excel file into Maxima.*
>
> I am so grateful for any help for this.
>
> Thank you
>
> With kind regards
> Dr M Kanagasabapathy
>
>
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