Linear Mappings and Matrices
Consider the mapping \( T:\mathbb{R}^2 \to \mathbb{R}^2 \):
\(T(\mathbf{x})=A\mathbf{x}\)
\( V= \mathbb{R}^2 \)
\(\operatorname{range}(A)\subset W= \mathbb{R}^2 \)