Entering and viewing a matrix – Sharp EL-9900 User Manual

Page 132

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122

Chapter 8: Matrix Features

10. Press

E.

The reduced row echelon form of the matrix is displayed.

Display

Solution

1x

+

0y

+

0z = x = 9.25

0x

+

1y

+

0z = y = 4.25

0x

+

0y

+

1z = z = 2.75

2. Entering and Viewing a Matrix

Up to 5 rows by 3 columns of elements can be displayed on the

screen.

Press

; ' { } to scroll the matrix. Use row

and column numbers on the left and upper side of the matrix to

check the display location.

• If the dimensions of the matrix have previously been defined,

the values will be displayed. You can retain or alter the dimen-

sions accordingly.

Matrix name

Matrix dimensions (row

×

column)

Element entry field

Input field (bottom line)

1. Press

@ m, then press B (select EDIT) and

select the matrix you want to define.

Note:

Up to 10 matrices from 1 matA to 0 matJ can be defined.

2. Enter the row dimension number and press

E.

Cursor moves to the column dimension.

3. Enter the column dimension number and press

E.

The matrix will be displayed with null values. (See below.)

* It is not required to press

E when the dimension number is

2 digits.

Define

dimensions

Select a matrix

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