Casio fx-5800P User Manual page 61

A Using the Matrix Editor Screen to Input Matrix Data
– {MATRIX} 1 (EDIT) to display the matrix
1. Press
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 and
3. Press .
• This displays a screen for specifying the dimensions of
m
the matrix. is the number of rows, while
of columns.
Note
If you select a memory area that already contains a matrix in step 2, pressing
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
1 (Dim) in place of
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
. This will cause the highlighting to move to
• Input a value for
• You can use
5. After inputting the row and column values you want, press
.
• This will display the matrix editor screen.
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
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 a a
...
11 12 1
a a a
...
21 22 2
a a a
...
1 2
1 2
• Inputting
3 4
to move the highlighting to the matrix you want to use for data input.
in step 3.
n
to specify the number of columns and then press
and to move the highlighting between
a a a
[[ , , ...,
11 12
, for example, can be performed using the following key operation.
([)
([) 3,4
n
is the number
n
.
Cursor
to register it.
a a a
][ , , ..., ] ... [
1 21 22 2
([) 1,2
(])
E-60
m
, input a value and then press
.
m n
and .
a a a
, , ..., ]]
1 2
(])
(])
or