- #1

entropy1

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How do I calculate a 3x3 matrix multiplication with a 3 column row vector, like below?

##

\begin{bmatrix}

A11 & A12 & A13\\

A21 & A22 & A23\\

A31 & A32 & A33

\end{bmatrix}\begin{bmatrix}

B1 & B2 & B3

\end{bmatrix}

##

##

\begin{bmatrix}

A11 & A12 & A13\\

A21 & A22 & A23\\

A31 & A32 & A33

\end{bmatrix}\begin{bmatrix}

B1 & B2 & B3

\end{bmatrix}

##

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