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Re: [Help-gsl] Reg :: Third Order Polynomial Fit
From: |
Patrick Alken |
Subject: |
Re: [Help-gsl] Reg :: Third Order Polynomial Fit |
Date: |
Fri, 28 Apr 2017 09:00:47 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 |
Here is an example of fitting a quadratic polynomial to a dataset:
https://www.gnu.org/software/gsl/doc/html/lls.html#multi-parameter-linear-regression-example
You should be able to adapt it to a 3rd order polynomial.
On 04/28/2017 07:00 AM, Sumit Adhikari wrote:
> Hello All,
>
> I am not a mathematician!
>
> I have Input vs Output Data for an unknown system. I want to find out the
> coefficient of a third order polynomial which fits the data.
>
> Anybody please help me where to start using gsl?
>
> Thanks in advance.
>