) Consider C with the usual inner product, given by (u, v) = ₁₁ + The vectors are orthogonal. Let (a) Compute the following inner products: (u₁, u₁ ) : = (u₂, U₂) = = u₁ ... 2 3i 4-0 and u₂ -2i 1 V = + U4U4. 6i -11i -26 3i -14i

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question
) Consider C4 with the usual inner product, given by
The vectors
are orthogonal. Let
(a) Compute the following inner products:
(u₁, u₁)
(U₂, U₂ ) =
=
(u, v) = ₁V₁ + + U4 V4.
U₁ =
2
3i
-2i
...
3i
-2
and u₂ =
1
-14i
-0
@
11
6i
−11i
-26
V =
Transcribed Image Text:) Consider C4 with the usual inner product, given by The vectors are orthogonal. Let (a) Compute the following inner products: (u₁, u₁) (U₂, U₂ ) = = (u, v) = ₁V₁ + + U4 V4. U₁ = 2 3i -2i ... 3i -2 and u₂ = 1 -14i -0 @ 11 6i −11i -26 V =
(U₂, U₂)
(u₁, v) =
(v, u₁) =
(u₂, v) =
(V, U₂) =
(b) Find the best approximation v' of v in the subspace W =
possible.
=
span{u₁, u₂ }, i.e., such that || v - ' || is as small as
Transcribed Image Text:(U₂, U₂) (u₁, v) = (v, u₁) = (u₂, v) = (V, U₂) = (b) Find the best approximation v' of v in the subspace W = possible. = span{u₁, u₂ }, i.e., such that || v - ' || is as small as
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