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

[Gunter K. <gu...@pe...>]

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load("numericalio");

The rest should be written in maxima's pdf manual that can be found in
the "documentation" section of maxima.sf.net.

Kind regards,

    Gunter.

On 03.01.2015 16:36, Stavros Macrakis (Σταῦρος Μακράκης) wrote:
> Forwarding to mailing list.
> 
> On Jan 1, 2015 10:22 PM, "Dr. M Kanagasabapathy" <rr...@gm...
>  <mailto:rr...@gm...>> wrote:
> 
> Dear Stavros Macrakis
> 
> Thank you for your prompt reply. I just give the codes here for the
> polynomial curve fit.
> 
> load (lsquares) $ p:matrix([x1, y1], [x2, y2], [x3, y3], [x4, y4], 
> [x5, y5])$ lsquares_estimates (p, [x,y], y = a*x^4 + 
> b*x^3+c*x^2+d*x+e, [a, b,c, d, e]), numer;
> 
> In addition to this, kindly help me to load a set of data (x , y 
> sets) in notepad text format into Maxima.
> 
> Thank you With kind regards, Dr M kanagasabapathy
> 
> 
> 
> On Fri, Jan 2, 2015 at 5:52 AM, Stavros Macrakis (Σταῦρος Μακράκης)
> <mac...@al... <mailto:mac...@al...>> wrote:
> 
> Also, please do not spam our mailing lists.
> 
> A message to maxima-discuss is appropriate. Messages to
> maxima-bugs and maxima-commits are not.
> 
> -s
> 
> On Thu, Jan 1, 2015 at 10:14 AM, Dr. M Kanagasabapathy 
> <rr...@gm... <mailto: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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