Kunze Linear Algebra · Problem 4.3.1

Polynomials

Mathematics — Methods · lagrange-interpolation-find-polynomial

Problem

Use the Lagrange interpolation formula to find a polynomial ff with real coefficients such that ff has degree ≤3\leq 3 and f(−1)=−6f(-1) = -6, f(0)=2f(0) = 2, f(1)=−2f(1) = -2, f(2)=6f(2) = 6.

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