-7
-3
1
5
0
-1
0
4
8
3
1
9
(Pasa el ratón por los elementos)
-9
-31
-83
15
9
53
-3
-1
-9
A
\mathbf{A}
A
B
\mathbf{B}
B
A
B
\mathbf{AB}
A
B
×
\times
×
=
=
=
a
b
i
j
=
∑
k
=
1
2
a
i
k
b
k
j
=
a
i
1
b
1
j
+
a
i
2
b
2
j
ab_{ij} = \sum_{k = 1}^{2}a_{ik} b_{kj} = a_{i1}b_{1j} + a_{i2}b_{2j}
a
b
i
j
=
∑
k
=
1
2
a
i
k
b
k
j
=
a
i
1
b
1
j
+
a
i
2
b
2
j