Data/Matrix Editor
504
Matrix Variable
A matrix is a rectangular array of elements. When you create a matrix in the Data/Matrix
Editor, you must specify the number of rows and columns (although you can add or
delete rows and columns later). In the Data/Matrix Editor, a matrix variable:
After creating a matrix in the Data/Matrix Editor, you can use the matrix in any
application (such as the Home screen).
Note:
Use brackets to refer to a specific element in a matrix. For example, enter
mat1[2,1]
to access the 1st element in the 2nd row.
•
Looks similar to a data variable, but all
columns must have the same length.
•
Is initially created with 0 in each cell. You
can then enter the applicable value in
place of 0.
From the Home screen or a program, you can
use
9
to store a matrix with either of the
equivalent methods shown to the right.
Ê
row 1
Ë
row 2
Ì
row 1
Í
row 2
Although you enter the matrix as shown
above, it is pretty printed in the history area in
traditional matrix form.
Shows the size of the
matrix.
[[1,2,3][4,5,6]]
!
mat1
[1,2,3;4,5,6]
!
mat1
Ê
Ë
Ì Í
Summary of Contents for Titanium TI-89
Page 9: ...Getting Started 6 TI 89 Titanium keys Ë Ì Í Ê ...
Page 34: ...Getting Started 31 2 or D 2 B u s i n e s s D B D B Press Result ...
Page 43: ...Getting Started 40 3 0 D B D D B D Press Result ...
Page 44: ...Getting Started 41 D 2 0 0 2 D B Scroll down to October and press Press Result ...
Page 58: ...Getting Started 55 Example Set split screen mode to TOP BOTTOM Press Result 3 B D ...
Page 70: ...Getting Started 67 ...
Page 175: ...Operating the Calculator 172 From the Keyboard ...
Page 456: ...Tables 453 ...
Page 527: ...Data Matrix Editor 524 ...
