WOLFRAM
|
DEMONSTRATIONS PROJECT
Matrix Addition and Subtraction
r
o
w
s
1
2
3
4
5
c
o
l
u
m
n
s
1
2
3
4
5
a
d
d
s
u
b
t
r
a
c
t
n
e
w
m
a
t
r
i
c
e
s
A
=
-
4
4
4
1
-
4
4
-
4
-
3
4
-
5
5
-
3
,
B
=
-
5
5
1
-
1
-
5
-
1
5
4
-
3
2
-
4
5
A
+
B
=
(
-
4
+
-
5
)
(
4
+
5
)
(
4
+
1
)
(
1
+
-
1
)
(
-
4
+
-
5
)
(
4
+
-
1
)
(
-
4
+
5
)
(
-
3
+
4
)
(
4
+
-
3
)
(
-
5
+
2
)
(
5
+
-
4
)
(
-
3
+
5
)
=
-
9
9
5
0
-
9
3
1
1
1
-
3
1
2
T
o
a
d
d
o
r
s
u
b
t
r
a
c
t
t
w
o
m
a
t
r
i
c
e
s
,
d
o
t
h
e
o
p
e
r
a
t
i
o
n
e
n
t
r
y
b
y
e
n
t
r
y
.
I
f
t
h
e
r
e
i
s
o
n
l
y
o
n
e
c
o
l
u
m
n
o
r
o
n
l
y
o
n
e
r
o
w
,
t
h
e
m
a
t
r
i
c
e
s
a
r
e
v
e
c
t
o
r
s
.