5. Let p = i o projw : R" → W → R" be the function defined by orthogonal projection onto W followed by inclusion, i.e. i(x) = x for all xe W. Show that the null space of Null(p) := {v € R" : p(v) = 0}
5. Let p = i o projw : R" → W → R" be the function defined by orthogonal projection onto W followed by inclusion, i.e. i(x) = x for all xe W. Show that the null space of Null(p) := {v € R" : p(v) = 0}
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Vector Spaces
Section4.4: Spanning Sets And Linear Independence
Problem 76E: Let f1(x)=3x and f2(x)=|x|. Graph both functions on the interval 2x2. Show that these functions are...
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![5. Let p = io projw : R" → W → R" be the function defined by orthogonal projection onto W
followed by inclusion, i.e. i(x)
= x for all xE W. Show that the null
space
of
Null(p) := {v E R" : p(v) = 0}
is exactly W-. Now explain why and how one can deduce (*) from this result and the rank
theorem.
1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f523362-59ac-43d1-96c6-e213db7e4e4e%2Fe234d6ab-9b69-4575-91e0-91c0d4508ec1%2Fg6p1dhq_processed.png&w=3840&q=75)
Transcribed Image Text:5. Let p = io projw : R" → W → R" be the function defined by orthogonal projection onto W
followed by inclusion, i.e. i(x)
= x for all xE W. Show that the null
space
of
Null(p) := {v E R" : p(v) = 0}
is exactly W-. Now explain why and how one can deduce (*) from this result and the rank
theorem.
1
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