Linear Algebra Done Right · Problem 3C.14

Linear Maps — Sheldon Axler

Mathematics — Linear Algebra · transpose

Problem

Suppose mm and nn are positive integers. Prove that the function A↦AtA \mapsto A^{\mathrm{t}} is a linear map from Fm,n\mathbf{F}^{m,n} to Fn,m\mathbf{F}^{n,m}.

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