Sharp EL-5160S - Page 167

E-56
result, fi rst press
j
to exit the matrix entry screen.
Press
N 4
and select a memory (matA–matD)
to store the newly-created matrix in.
• When the calculation results are in matrix form,
pressing neither
l
nor
r
will bring you back to
the original expression.
[
12
34
]
⇒
matA
b
4
N
2
2 2
e
1
e
2
e
3
e
4
e
j N
4 0
[
31
26
]
⇒
matB
N
2 e
3
e
1
e
2
e
6
e
j N
4 1
matA
×
matB
=
j N
1 0
k
N
1 1 =
[
713
17 27
]
matA
−
1
=
j N
1 0
@
Z
=
[
-
2 1
1.5
-
^.5
]
dim (matA, 3, 3)
=
j N
5 0
N
1 0 H
3
H
3
) =
[
12^
34^
^^^
]
fill (5, 3, 3)
=
j N
5 1
5
H
3
H
3
) =
[
555
555
555
]
cumul matA
=
j N
5 2
N
1 0 =
[
12
46
]
aug (matA, matB)
=
j N
5 3
N
1 0 H
N
1 1 ) =
[
1231
3426
]
identity 3
=
j N
5 4
3
=
[
1^^
^1^
^^1
]
rnd_mat (2, 3)
=
j N
5 5
2
H
3
) =
det matA
=
j N
6 0
N
1 0 =
-
2
.