Casio CFX-9850G PLUS, User'S Manual & Technical Reference

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89
w
• 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 u
u u
u
To input an identity matrix
Use the matrix operation menu’s Identity command (
1
) to create an identity
matrix.
Example 2 To create a 3
×
3 identity matrix as Matrix A
K 2
(MAT)
6
(
g
)
1
(Iden)
d a 6
(
g
)
1
(Mat)
a A w
Number of rows/columns
u u
u u
u
To check the dimensions of a matrix
Use the matrix operation menu’s Dim command (
2
) to check the dimensions of
an existing matrix.
Example 3 To check the dimensions of Matrix A, which was input in
Example 1
K 2
(MAT)
6
(
g
)
2
(Dim)
6
(
g
)
1
(Mat)
a A w
The display shows that Matrix A consists of two rows and three columns.
You can also use {Dim} to specify the dimensions of the matrix.
Example 4 To specify dimensions of 2 rows and 3 columns for Matrix B
!
{ c,d
!
} a K
2
(MAT)
6
(
g
)
2
(Dim)
6
(
g
)
1
(Mat)
a B w
Modifying Matrices Using Matrix Commands
6 - 3
Matrix name
Number of rows
Number of columns