Let U , V and W be subspaces, and let F : U → V and G : V → W be linear transformation. Prove that the composition G ∘ F : U → W of F and G , defining by [ G ∘ F ( u ) ] = G ( F ( u ) ) for each u in U , is a linear transformation.
Let U , V and W be subspaces, and let F : U → V and G : V → W be linear transformation. Prove that the composition G ∘ F : U → W of F and G , defining by [ G ∘ F ( u ) ] = G ( F ( u ) ) for each u in U , is a linear transformation.
Solution Summary: The author explains that the function Gcirc F:Uto W is a linear transformation.
Let
U
,
V
and
W
be subspaces, and let
F
:
U
→
V
and
G
:
V
→
W
be linear transformation. Prove that the composition
G
∘
F
:
U
→
W
of
F
and
G
, defining by
[
G
∘
F
(
u
)
]
=
G
(
F
(
u
)
)
for each u in
U
, is a linear transformation.
Exercise 273. Show that projw is a linear transformation and that (projw)² = projw.
Let L : V → W be a linear transformation. Explain the meaning of the following statement: The action of the linear transformation L is completely determined by its action on a basis for V.
Chapter 3 Solutions
Introduction to Linear Algebra (Classic Version) (5th Edition) (Pearson Modern Classics for Advanced Mathematics Series)
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