1) Let B = be an orthogonal basis, y = and let W = span(B). %3! A) Calculate the orthogonal projection of y onto W using two different methods. t B) Determine the shortest distance from y to W and the shortest point in W closes to y. E C) Let a = Show c = a+band ||c|? = ||a||? + ||b||², but neither a nor b and c = %3D are orthogonal projections of c onto W.E

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.6: The Matrix Of A Linear Transformation
Problem 1AEXP
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1) Let B =
be an orthogonal basis, y =
and let W = span(B).
A) Calculate the orthogonal projection of y onto W using two different methods.
B) Determine the shortest distance from y to W and the shortest point in W closes to y.
C) Let a =
and c =
Show c a+b and |lc||= |la|P + ||b||, but neither a nor b
are orthogonal projections of c onto W.
Transcribed Image Text:1) Let B = be an orthogonal basis, y = and let W = span(B). A) Calculate the orthogonal projection of y onto W using two different methods. B) Determine the shortest distance from y to W and the shortest point in W closes to y. C) Let a = and c = Show c a+b and |lc||= |la|P + ||b||, but neither a nor b are orthogonal projections of c onto W.
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