Matrices 10–7
82EA17~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:31 PM Printed: 10/27/05 2:47
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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