2 2 and u4 -5 1. Let uj = u2 = U3 = 2 Let W1 = Span{u1, u2} and W2 = Span{u3, u4}. (a) Show that the subspaces W1 and W2 are orthogonal to each other. 2 (b) Write the vector y = 8 as a sum of a vector in W1 and a vector in W2. 4 -6

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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Question
1
5
-1
-5
1. Let ui =
-5
u2 =
2
and u4 =
1
U3 =
2
5
Let W1 = Span{u1, u2} and W2
Span{u3, u4}.
(a) Show that the subspaces W1 and W2 are orthogonal to each other.
(b) Write the vector y =
as a sum of a vector in W1 and a vector in W2.
Transcribed Image Text:1 5 -1 -5 1. Let ui = -5 u2 = 2 and u4 = 1 U3 = 2 5 Let W1 = Span{u1, u2} and W2 Span{u3, u4}. (a) Show that the subspaces W1 and W2 are orthogonal to each other. (b) Write the vector y = as a sum of a vector in W1 and a vector in W2.
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