Casio CFX-9970G User Manual page 115

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• 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
K2(MAT)6(g)1(Iden)
da6(g)1(Mat)aAw
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
K2(MAT)6(g)2(Dim)6(g)
1(Mat) aAw
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!}aK
2(MAT)6(g)2(Dim)6(g)
1(MAT)aBw
Modifying Matrices Using Matrix Commands
Matrix name
6 - 3
Number of rows
Number of columns
89