"To describe a geometrical curve which shall pass through any given points ..... Although the problem may seem to be intractable at first sight, it is nevertheless quite the contrary. Perhaps it is one of the prettiest problems that I can ever hope to solve.".
Isaac Newton
"La méthode d'interpolation est, après les logarithmes, la découverte la plus utile qu'on ait faite dans le calcul."
Joseph-Louis Lagrange
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