(a) Prove the inner product axioms for the weighted inner product (3.15), assuming w(x) 0 for...

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(a) Prove the inner product axioms for the weighted inner product (3.15), assuming w(x) ≤ 0 for all a ≤ x ≤ b.
(b) Explain why it does not define an inner product if w is continuous and w(xo) < 0 for some x0 ∈ [a.b],
(c) If w(.v) ≥ 0 for a ≤ x ≤ b. does (3.15) define an inner product? Hint: Your answer may depend upon w(x).
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Applied Linear Algebra

ISBN: 978-0131473829

1st edition

Authors: Peter J. Olver, Cheri Shakiban

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