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gibson:teaching:fall-2016:math753:lagrangepoly

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 gibson:teaching:fall-2016:math753:lagrangepoly [2016/11/11 12:38]gibson gibson:teaching:fall-2016:math753:lagrangepoly [2016/11/11 12:39] (current)gibson Both sides previous revision Previous revision 2016/11/11 12:39 gibson 2016/11/11 12:38 gibson 2016/11/11 12:34 gibson 2016/11/11 12:29 gibson 2016/11/11 12:24 gibson created 2016/11/11 12:39 gibson 2016/11/11 12:38 gibson 2016/11/11 12:34 gibson 2016/11/11 12:29 gibson 2016/11/11 12:24 gibson created Line 17: Line 17: \end{equation*} \end{equation*} - This is mathematically clunky because it expresses a quadratic polynomial $P(x)$ as the sum of three quadratics. Simplifying takes a lot of multiplications and additions. If we do that, we get + This is mathematically clunky because it expresses a quadratic polynomial $P(x)$ as the sum of three quadratics, and we have a lot of tedious algebra to do to simplify. If we do that, we get \begin{equation*} \begin{equation*} 