WOLFRAM

DEMONSTRATIONS PROJECT
2
x
2
M
a
t
r
i
x
O
p
e
r
a
t
i
o
n
s
A
c
t
i
n
g
o
n
a
U
n
i
t
S
q
u
a
r
e
m
a
t
r
i
x
A
A
1
1
A
1
2
A
2
1
A
2
2
m
a
t
r
i
x
B
B
1
1
B
1
2
B
2
1
B
2
2
a
v
a
i
l
a
b
l
e
m
a
t
r
i
c
e
s
I
A
B
A
+
B
B
+
A
A
B
B
A

1
A
A
z
o
o
m
3
T
h
i
s
D
e
m
o
n
s
t
r
a
t
i
o
n
s
h
o
w
s
t
h
e
i
m
a
g
e
s
o
f
v
a
r
i
o
u
s
c
o
m
b
i
n
a
t
i
o
n
s
o
f
t
w
o
2
×
2
m
a
t
r
i
c
e
s
A
a
n
d
B
a
c
t
i
n
g
o
n
a
u
n
i
t
s
q
u
a
r
e
.