Casio fx-5800P - Manual (Page 61)

E-60
A Using the Matrix Editor Screen to Input Matrix Data
1. Press
z – {MATRIX} 1(EDIT) to display the matrix
memory area menu.
• A memory area that already contains a matrix will show
the dimensions of its matrix (like 2 × 2), while an area that
is empty will be indicated by “None”.
2. Use c and f to move the highlighting to the matrix you want to use for data input.
3. Press
E.
• This displays a screen for specifying the dimensions of
the matrix. m is the number of rows, while n is the number
of columns.
Note
If you select a memory area that already contains a matrix in step 2, pressing E
will display the matrix editor screen so you can edit the matrix. If you want to delete
the existing matrix and make a new one with different dimensions, press
e or
z1(Dim) in place of E in step 3.
4. Specify the dimensions of the matrix you want to create, up to a maximum of 10 rows
and 10 columns.
• To specify the number of rows, move the highlighting to
m , input a value and then press
E. This will cause the highlighting to move to n .
• Input a value for n to specify the number of columns and then press
E.
• You can use c and f to move the highlighting between m and n .
5. After inputting the row and column values you want, press
E.
• This will display the matrix editor screen.
Cursor
6. On the matrix editor screen, input values into the cells of the matrix.
• Use the cursor keys to move the cursor to the cell you want and then input a value.
After inputting a value, press E to register it.
7. After inputting all the values you want, press J.
A Using the Value Assignment Command ( /) to Input Matrix
Data
1. On the COMP Mode calculation screen, use the following syntax to input the matrix you
want to input into matrix memory.
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
]]
• Inputting
1 2
3 4
, for example, can be performed using the following key operation.
Si([)Si([)1,2S6(])
Si([)3,4S6(])S6(])