Sharp el-9950

122
Chapter 6: Matrix Features
8. Press
@
m
to
displaytheMATRIXMENU,
and press
D
to select D
MATH and then press
4
to select 4 rrowEF. The
reduced row echelon form is
now set, as shown:
9. Press
@
m
, then press
A
to select A NAME and
press
1
to select 1 mat A.TheMatrixAisnowsetand
ready to be calculated.
4. Press3
E
2
E
1
E
3 9
E
to enter the
first row of
3x
+
2y
+
z = 39
.
The cursor will automatically
position itself at the beginning
of the second row.
5. Press2
E
3
E
1
E
3 4
E
to enter the second
row of
2x
+
3y
+
z = 34
.
6. Press1
E
2
E
3
E
2 6
E
to enter the
third row of
x
+
2y
+
3z = 26
.
7. Press
#
to return to the
calculation screen.
MatrixAisnowset.
1. Press
@
m
to enter
the MATRIX menu.
2. Press
B
to select B EDIT
and then
1
to select 1
mat A.
PROCEDURE
Select a matrix
to edit
Define
dimensions
3. Press3
E
4
E
to
define the dimensions of the
matrix (3 rows
×
4 columns).
Enter the values
Solve the
problem