Texas Instruments -84 Plus, Manual Book

Page: 231 / 696

Chapter 10: Matrices 228
Using Matrices with Expressions Using Matrices with Expressions Using Matrices with Expressions Using Matrices with Expressions
Using a Matrix in an Expression
Using a Matrix in an Expression Using a Matrix in an Expression
Using a Matrix in an Expression
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 K
(Chapter 1).
• Enter the matrix directly (see below).
Entering a Matrix in an Expression
Entering a Matrix in an Expression Entering a Matrix in an Expression
Entering a Matrix in an Expression
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.