Practice problem
What does the matrix look like for 0∗A1×30*A_{1\times3}0∗A1×3?
[000000]\begin{bmatrix}0&0\\0&0\\0&0\end{bmatrix}000000
[000000]\begin{bmatrix}0&0&0\\0&0&0\end{bmatrix}[000000]
[000]\begin{bmatrix}0&0&0\end{bmatrix}[000]
[000]\begin{bmatrix}0\\0\\0\end{bmatrix}000
Type a concept, like “slope” or “photosynthesis”.
