2-41
S Column Operations
•{DEL} ... {delete column}
•{INS} ... {insert column}
•{ADD} ... {add column}
S To delete a column
Example To delete column 2
(COL)C
(DEL)
I Modifying Matrices Using Matrix Commands [OPTN]-[MAT]
S To display the matrix commands
1. From the Main Menu, enter the RUN • MAT mode.
2. Press * to display the option menu.
3. Press (MAT) to display the matrix command menu.
The following describes only the matrix command menu items that are used for creating
matrices and inputting matrix data.
•{Mat} ... {Mat command (matrix specification)}
•{MmL} ... {MatmList command (assign contents of selected column to list file)}
•{Aug} ... {Augment command (link two matrices)}
•{Iden} ... {Identity command (identity matrix input)}
•{Dim} ... {Dim command (dimension check)}
•{Fill} ... {Fill command (identical cell values)}
• You can also use A(Mat) in place of *(MAT)(Mat).
S 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
] ]
m Mat [letter A through Z]
a
11
a
12
... a
1n
a
21
a
22
... a
2n
a
m1
a
m2
... a
mn
...
...
...
a
11
a
12
... a
1n
a
21
a
22
... a
2n
a
m1
a
m2
... a
mn
...
...
...
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