Polynomial regression: Difference between revisions

=={{header|Emacs Lisp}}==

Simple solution by Emacs Lisp and built-in Emacs Calc.

<lang emacs-lisp>

(setq x '[0 1 2 3 4 5 6 7 8 9 10])

(setq y '[1 6 17 34 57 86 121 162 209 262 321])

(calc-eval

(format "fit(a*x^2+b*x+c,[x],[a,b,c],[%s %s])" x y))

</lang>

{{out}}

<pre>

"3. x^2 + 1.99999999996 x + 1.00000000006"

</pre>