Basic Matrix Operations

Transpose: AT

Scalar multiplication: $c \cdot A_{m\times n}$

Addition: $A_{m \times n} + B_{m \times n}$

Dot product (of vectors): uT v

Norm (l2-norm) of a vector: $\Vert u \Vert = \sqrt{u^T u}$.

How can we express matrix subtraction in terms of these operations?


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