Matrices 10-7
8310MTRX.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:35 PM Printed: 02/19/01 1:36
PM Page 7 of 16
To use a matrix in an expression, you can do any of the
following.
•
Copy the name from the
MATRX NAMES
menu.
•
Recall the contents of the matrix into the expression
with
y
[
RCL
] (Chapter 1).
•
Enter the matrix directly (see below).
You can enter, edit, and store a matrix in the matrix editor.
You also can enter a matrix directly in an expression.
To enter a matrix in an expression, follow these steps.
1. Press
y
[
[ ] to indicate the beginning of the matrix.
2. Press
y
[
[ ] to indicate the beginning of a row.
3. Enter a value, which can be an expression, for each
element in the row. Separate the values with commas.
4. Press
y
[
] ] to indicate the end of a row.
5. Repeat steps 2 through 4 to enter all of the rows.
6. Press
y
[
] ] to indicate the end of the matrix.
Note:
The closing
]]
are not necessary at the end of an expression
or preceding
!
.
The resulting matrix is displayed in the form:
[[
element
1,1
,...,
element
1,n
],...,[
element
m,1
,...,
element
m,n
]]
Any expressions are evaluated when the entry is
executed.
Note:
The commas that you must enter to separate elements are
not displayed on output.
Using Matrices with Expressions
Using a Matrix in
an Expression
Entering a Matrix
in an Expression
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