Texas Instruments TI-86 - Plotting Statistical Data

182
Chapter 13: Matrices
13MATRX.DOC TI-86, Chap 13, US English Bob Fedorisko Revised: 02/13/01 2:32 PM Printed: 02/13/01 3:03 PM Page 182 of 1013MATRX.DOC TI-86, Chap 13, US English Bob Fedorisko Revised: 02/13/01 2:32 PM Printed: 02/13/01 3:03 PM Page 182 of 10
Editing Matrices in the Matrix Editor

Display the matrix
Name=
prompt screen.

Enter the matrix name. Either select it from the
MATRX NAMES
menu or enter the characters.
- ‰ '
ã
M
äã
A
äã
T
ä
1
1

Display the matrix editor.

Edit or accept the row dimension, and then
edit or accept the column dimension.
b
5
3 b
3
b

Move the cursor to any element and edit it.
Continue moving the cursor to other
elements.

Save the changes and leave the matrix editor.
#
45
b "
21
b
2
-
~ b
.
Editing Matrices on the Home Screen
To change a matrix element value, the syntax is:
value
¶
matrixName
(
row
,
column
)
To change the values of an entire row of elements, the syntax is:
[
valueA
,
valueB
,...,
value n
]¶
matrixName
(
row
)
To change the values of part of a row, beginning at a specified column, the syntax is:
[
valueA
,
valueB
,
...
,
value n
]¶
matrixName
(
row
,
beginColumn
)
To change the values of a submatrix within
matrixName
, the syntax is:
[[
valueA
,
...
,
value n
]
...
[
valueA
,
...
,
value n
]]¶
matrixName
(
beginRow
,
beginColumn
)
You can use
:
,
3
, an
d
- p
to edit matrix
elements. You also can
overwrite existing characters.