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Polynomial regression: Difference between revisions
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<lang parigp>V=[1,6,17,34,57,86,121,162,209,262,321]~;
M=matrix(#V,3,i,j,(i-1)^(j-1));Polrev(matsolve(M~*M,M~*V))</lang>
{{out}}
<pre>3*x^2 + 2*x + 1</pre>
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