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

Select a matrix

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.

Define

2. Enter the row dimension number and press E.

dimensions

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 Ewhen the dimension number is

 

2 digits.

 

Matrix name

 

Matrix dimensions (row ⋅ column)

 

Element entry field

 

Input field (bottom line)

 

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.

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Sharp EL-9900 operation manual Entering and Viewing a Matrix
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