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Keystrokes
´ > 1
´ U
1 O A
2 O A
3 O A
4 O A
5 O A
6 O A
lA
l A
l A
l A
l A
l A
´ U
Checking and Changing Matrix Elements Individually
The calculator provides two ways to check (recall) and change (store) the
value of a particular matrix element. The first method uses storage registers
in the same way as described above – except that the row and
R
and R
0
1
column numbers aren't automatically changed when User mode is
deactivated. The second method uses the stack to define the row and
column numbers.
Section 12: Calculating with Matrices
Display
A
1,1
1.0000
2.0000
3.0000
4.0000
5.0000
6.0000
A
1,1
1.0000
2.0000
3.0000
4.0000
5.0000
6.0000
6.0000
Sets beginning row and column
numbers in R
and R
0
(Display shows the previous
result.)
Activates User mode.
Row 1, column 1 of A.
(Displayed momentarily while
A key held down.)
Value of a
.
11
Value of a
.
12
Value of a
.
13
Value of a
.
21
Value of a
.
22
Value of a
.
23
Recalls element in row 1,
column l. (R
and R
0
in preceding step.)
Value of a
.
11
Value of a
.
12
Value of a
.
13
Value of a
.
21
Value of a
.
22
Value of a
.
23
Deactivates User mode.
145
to 1.
1
were reset
1
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