Given the inner product space of polynomials with real coefficients, degree
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:5C
Given the inner product space of polynomials with real coefficients, degree <n (P₁(R),+,., °), where,
P₁ = {p(x)=anx¹ +...+a₁x +ão | a¡¤R, iɛ {0,1,...,n}},
0: : Pn-Pn →R+ : (p(x), q(x)) → p(x) °q(x) = f p(x)q(x) dx
and the subset S={p₁(x)=1, p2(x)=x, p3(x)=2x²+x+1} of Pn.
Find the projection of the vector r(x) = 2x5-x onto W and then write it as a sum of polynomials
r(x) = s(x) + m(x), s(x)=W, m(x)= W¹.
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