Pick two random looking and linearly indepen try to find a vector w which is orthogonal to bo explore how to find all possible vectors w using a system of linear equations using the entries variables; solve this system of equations to find v. Check that u w = 0 and vw= = 0 by hand. 1. How many equations did you need to solve

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter7: Triangles
Section: Chapter Questions
Problem 1RP: We mentioned in Section 7.5 that our algebraic treatment of vectors could be attributed, in part, to...
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Pick two random looking and linearly independent vectors u and v in R" with n ≥ 4, and
try to find a vector w which is orthogonal to both u and v by guess-and-check. Next, we will
explore how to find all possible vectors w using systems of equations. To that end, write down
a system of linear equations using the entries of u, v as coefficients and the entries of w as
variables; solve this system of equations to find w such that w is perpendicular to both u and
v. Check that u w = 0 and vw = 0 by hand.
1. How many equations did you need to solve in order to find w? and how many variables?
2. Why is any vector in Col([u v]) perpendicular to w?
3. Why is a vector in Nul([u v]T) orthogonal to both u and v?
10
Transcribed Image Text:Pick two random looking and linearly independent vectors u and v in R" with n ≥ 4, and try to find a vector w which is orthogonal to both u and v by guess-and-check. Next, we will explore how to find all possible vectors w using systems of equations. To that end, write down a system of linear equations using the entries of u, v as coefficients and the entries of w as variables; solve this system of equations to find w such that w is perpendicular to both u and v. Check that u w = 0 and vw = 0 by hand. 1. How many equations did you need to solve in order to find w? and how many variables? 2. Why is any vector in Col([u v]) perpendicular to w? 3. Why is a vector in Nul([u v]T) orthogonal to both u and v? 10
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