3-41
u
Matrix Data Input Format
[OPTN]
-
[MAT]
-
[Mat]
The following shows the format you should use when inputting data to create a matrix using
the Mat command.
= [ [a
11
, a
12
, ..., a
1
n
] [a
21
, a
22
, ..., a
2
n
] .... [a
m
1
, a
m
2
, ..., a
mn
] ]
→
Mat [letter A through Z]
Example
To input the following data as Matrix A:
!
a
(CATALOG)
a6
(SYBL)
4
(
9
)
c
~
c
( [ )
w!
a
(CATALOG) ( [ )
1
(INPUT)
b,d,f
!
a
(CATALOG)
c
( ] )
1
(INPUT)
!
a
(CATALOG)
f
( [ )
1
(INPUT)
c,e,g
!
a
(CATALOG)
c
( ] )
1
(INPUT)
!
a
(CATALOG) ( ] )
1
(INPUT)
!K
(
→
)
K
2
(MAT)
1
(Mat)
a1
(A-E)
1
(A)
w
Matrix name
• The maximum value of both
m
and
n
is 999.
• An error occurs if memory becomes full as you are inputting data.
• You can also use the above format inside a program that inputs matrix data.
u
To input an identity matrix
[OPTN]
-
[MAT]
-
[Iden]
Use the Identity command to create an identity matrix.
Example
To create a 3
×
3 identity matrix as Matrix A
K
2
(MAT)
6
(
g
)
1
(Iden)
d
!K
(
→
)
6
(
g
)
1
(Mat)
a
Number of rows/columns
1
(A-E)
1
(A)
w
u
To check the dimensions of a matrix
[OPTN]
-
[MAT]
-
[Dim]
Use the Dim command to check the dimensions of an existing matrix.
a
11
a
12
... a
1
n
a
21
a
22
... a
2
n
a
m
1
a
m
2
... a
mn
...
...
...
a
11
a
12
... a
1
n
a
21
a
22
... a
2
n
a
m
1
a
m
2
... a
mn
...
...
...
1 3 5
2 4 6
1 3 5
2 4 6
