Week 13: Part 1: Pick any three vectors u, v, w in Rª which are linearly independent but not orthogonal and a vector b which is not in the span of u, v, w. If any of your vectors u, v, w are scalars of the standard basis vectors e1, e2, €3, e4 then start over. Let W = span{u, v, w}. Compute the orthogonal projection b of b onto the subspace W in two ways: (1) using the basis {u, v, w} for W, and (2) using an orthogonal basis {u', v', w'} obtained from {u,v, w} via the Gram-Schmidt process. Finally, explain in a few words why the two answers differ, and explain why only ONE answer is correct.
Week 13: Part 1: Pick any three vectors u, v, w in Rª which are linearly independent but not orthogonal and a vector b which is not in the span of u, v, w. If any of your vectors u, v, w are scalars of the standard basis vectors e1, e2, €3, e4 then start over. Let W = span{u, v, w}. Compute the orthogonal projection b of b onto the subspace W in two ways: (1) using the basis {u, v, w} for W, and (2) using an orthogonal basis {u', v', w'} obtained from {u,v, w} via the Gram-Schmidt process. Finally, explain in a few words why the two answers differ, and explain why only ONE answer is correct.
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:**Week 13: Part 1**
Pick any three vectors \( u, v, w \) in \(\mathbb{R}^4\) which are linearly independent but not orthogonal, and a vector \( b \) which is not in the span of \( u, v, w \). If any of your vectors \( u, v, w \) are scalars of the standard basis vectors \( e_1, e_2, e_3, e_4 \) then start over. Let \( W = \text{span}\{u, v, w\} \).
Compute the orthogonal projection \( \hat{b} \) of \( b \) onto the subspace \( W \) in two ways:
1. Using the basis \(\{u, v, w\}\) for \( W \).
2. Using an orthogonal basis \(\{u', v', w'\}\) obtained from \(\{u, v, w\}\) via the Gram-Schmidt process.
Finally, explain in a few words why the two answers differ, and explain why only ONE answer is correct.
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