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Linear Algebra Done Right
· Problem 3C.14
Linear Maps — Sheldon Axler
Mathematics — Linear Algebra · transpose
Problem
Suppose
m
m
m
and
n
n
n
are positive integers. Prove that the function
A
↦
A
t
A \mapsto A^{\mathrm{t}}
A
↦
A
t
is a linear map from
F
m
,
n
\mathbf{F}^{m,n}
F
m
,
n
to
F
n
,
m
\mathbf{F}^{n,m}
F
n
,
m
.
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