Question

Cite tres exemplos de multiplicação de matriz por matriz

Answer 1

a) $\left[\begin{array}{ccc}1&2&3\\4&5&6\end{array}\right]$ x $\left[\begin{array}{ccc}2&2&5\\4&2&3\end{array}\right]$ = $\left[\begin{array}{ccc}1 . 2&2.2&3.5\\4.4&5.2&6.3\end{array}\right]$ = $\left[\begin{array}{ccc}2&4&15\\16&10&18\end{array}\right]$

b) $\left[\begin{array}{ccc}1&6\\2&5\end{array}\right]$ x $\left[\begin{array}{ccc}1&2\\4&5\end{array}\right]$ = $\left[\begin{array}{ccc}1.1&6.2\\2.4&5.5\end{array}\right]$ = $\left[\begin{array}{ccc}1&12\\8&25\end{array}\right]$

c) $\left[\begin{array}{ccc}1&-4\\3&-2\\2&0\end{array}\right]$ x $\left[\begin{array}{ccc}1&2\\4&5\\7&8\end{array}\right]$ = $\left[\begin{array}{ccc}1.1&-4.2\\3.4&-2.5\\2.7&0.8\end{array}\right]$ = $\left[\begin{array}{ccc}1&-8\\12&-10\\14&0\end{array}\right]$