Problem 2. By considering the limit of the three-point Lagrange interpolation formula relative to xo, xo + €, and x1, as e → 0, obtain the formula (x1 – x)(x+ x1 – 2x0) (x1 – xo)? f(x) = f(xo) (x – xo)(x1 – x) (x1 – To) (x – xo)² (x1 – xo)2 (x1) + E(x), f (x0) + where E(x) =(x – co) (x – x1) f"(£).
Problem 2. By considering the limit of the three-point Lagrange interpolation formula relative to xo, xo + €, and x1, as e → 0, obtain the formula (x1 – x)(x+ x1 – 2x0) (x1 – xo)? f(x) = f(xo) (x – xo)(x1 – x) (x1 – To) (x – xo)² (x1 – xo)2 (x1) + E(x), f (x0) + where E(x) =(x – co) (x – x1) f"(£).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Problem 2. By considering the limit of the three-point Lagrange interpolation formula
relative to xo, xo + €, and x1, as e → 0, obtain the formula
(x1 – x)(x+ x1 – 2x0)
f(xo)
(x1 – xo)²
f(x) =
(x – xo)²
(x1 – xo)25 (x1) + E(x),
(x – xo)(x1 – x)
f (x0) +
(x1 – To)
where
E(x) = (x – co) (x – x1) f"(£).
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