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Casio fx-9750G PLUS User Manual

Page 117

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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)

d

a6

(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

6 - 3

Matrix name

Number of rows

Number of columns

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