interpolation In numerical analysis, the Lagrange interpolation method is a polynomial interpolation method named after the French mathematician Joseph Lagrange in the eighteenth century. In many practical problems, functions are used to express certain internal relations or laws, and many functions can only be understood through experiments and observations. If a physical quantity is observed in practice and the corresponding observations are obtained in several different places, the Lagrange interpolation method can find a polynomial, which just takes the observed values at each observation point.

Filename	Size	Update
拉格朗日插值\lagrange.fig	15002	2018-08-30
拉格朗日插值\Lagrange_Polynomial.m	464	2018-08-30
拉格朗日插值\main.m	641	2018-08-30
拉格朗日插值	0	2018-08-30

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