Texas Instruments TI-86 - Manual (Page 190)

178
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 178 of 10 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 178 of 10
Matrices on the TI-86
A matrix is a two-dimensional array, arranged in rows and columns. The matrix elements
can be real or complex. You can create, display, and edit matrices on the home screen or in
the matrix editor. When you create a matrix, the elements are stored to the matrix name.
Creating, Storing, and Displaying Matrices
The MATRX (Matrix) Menu - ‰
NAMES EDIT MATH OPS CPLX
matrix names matrix math complex matrix
menu menu menu
matrix matrix operations
editor
menu
The MATRX NAMES Menu - ‰ &
The MATRX NAMES menu contains all currently stored matrix names in alphanumeric order.
To paste a matrix name to the current cursor location, select it from the menu.
Creating a Matrix in the Matrix Editor - ‰ '
ᕡ Display the matrix Name= prompt screen.
ᕢ ALPHA-lock is on. The MATRX NAMES
menu is displayed. Enter a name from one to
eight characters long, starting with a letter.
- ‰ '
ã M д г A д г T ä
1 1
The TI - 86 distinguishes
between uppercase and
lowercase letters in matrix
names. For example, MAT1
and mat1 are two different
vector names.