Casio CFX-9970G Manuel - Page 11

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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

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

3 identity matrix as Matrix A

6 - 3

Number of rows

Number of columns