A First Course in Linear Algebra · Problem SLT-C20

Linear Transformations — Robert Beezer

Mathematics — Linear Algebra · surjective-linear-transformations

Problem

Example SAR concludes with an expression for a vector u∈C5\mathbf{u} \in \mathbb{C}^5 that we believe will create the vector v∈C5\mathbf{v} \in \mathbb{C}^5 when used to evaluate TT. That is, T(u)=vT(\mathbf{u}) = \mathbf{v}. Verify this assertion by actually evaluating TT with u\mathbf{u}. If you do not have the patience to push around all these symbols, try choosing a numerical instance of v\mathbf{v}, compute u\mathbf{u}, and then compute T(u)T(\mathbf{u}), which should result in v\mathbf{v}.

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