Use the Laguerre polynomials calculated in Exercise 11 to compute the least squares polynomials of degree one,

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Use the Laguerre polynomials calculated in Exercise 11 to compute the least squares polynomials of degree one, two, and three on the interval (0,∞) with respect to the weight function w(x) = e−x for the following functions:
a. f (x) = x2
b. f (x) = e−x
c. f (x) = x3
d. f (x) = e−2x
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Numerical Analysis

ISBN: 978-0538733519

9th edition

Authors: Richard L. Burden, J. Douglas Faires

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