Related knowledge: By n+ 1 the number of nodes does not exceed the Lagrange interpolation polynomial n as follows: one, Lagrange interpolation basis function, k = 0,1, ..., n. Experimental use case: a known function y = f (x) of a table: x 0 10 20 30 40 50 60 70 80 90 100 110 120y 5 1 7.5 3 4.5 8.8 15.5 6.5-5-10-2 4.5 7 test requirements: for the use of Lagrange interpolation polynomial interpolation function was f (x) at the point x = 65 Department approximation. Recommendations: Lagrange interpolation polynomial to draw the curve.

复件 (2) 实验4.C

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