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exp(x) exp(— г) - tanh(x) x ɛ [-2,2] in 4 sub–intervals exp(x) + exp(— х) The nodes are x,= – 2, x,= – 1, x2 0, x, = 1, x, = 2 4. Write down the the cardinal functions for these 5 nodes, and use the Lagrange polynomials to interpolate these 5 nodes, show the polynomial.

exp(x) exp(— г) - tanh(x) x ɛ [-2,2] in 4 sub–intervals exp(x) + exp(— х) The nodes are x,= – 2, x,= – 1, x2 0, x, = 1, x, = 2 4. Write down the the cardinal functions for these 5 nodes, and use the Lagrange polynomials to interpolate these 5 nodes, show the polynomial.

Advanced Engineering Mathematics
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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exp(x) exp(— х) - tanh(x) x ɛ [-2,2] in 4 sub–intervals exp(x) + exp( – x) - The nodes are X,= – 2, x,= – 1, x2 0, x3 = 1, x, = 2 4. Write down the the cardinal functions for these 5 nodes, and use the Lagrange polynomials to interpolate these 5 nodes, show the polynomial.
Transcribed Image Text:exp(x) exp(— х) - tanh(x) x ɛ [-2,2] in 4 sub–intervals exp(x) + exp( – x) - The nodes are X,= – 2, x,= – 1, x2 0, x3 = 1, x, = 2 4. Write down the the cardinal functions for these 5 nodes, and use the Lagrange polynomials to interpolate these 5 nodes, show the polynomial.
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