11. If $A = \begin{pmatrix} 2 & 1 & 3 \\ 0 & 2 & 4 \end{pmatrix}$ and $B = \begin{pmatrix} 2 & 4 \\ 1 & 3 \\ 0 & -1 \end{pmatrix}$, find $A + B^T$.
Added by David G.
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Let's assume that A is a 1x1 matrix (a scalar) and B is a 1x2 matrix. A = [2] B = [1 3] Show more…
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