20050501
2-6 Matrix and Vector Calculations
This section explains how to create matrices in the Main application, and how to perform
basic matrix calculations.
Tip
• Since a vector can be viewed as 1-row by
n
-column matrix or
n
-row by 1-column matrix, this
section does not include explanations specifically about vectors. For more information about
vector-specific calculations, see the explanations about the applicable [Action] menu items in
“2-7 Using the Action Menu”.
Inputting Matrix Data
You can use the
9
(math) keyboard to input matrix values in a single line in the work
area, or the
)
keyboard to input matrix values using an actual on-screen matrix.
k
Inputting Matrix Values with the
9
Keyboard
Example:
To input the matrix
1 2
and assign it to the variable “mat1”
3 4
u
ClassPad Operation
(1) On the application menu, tap
J
to start the Main application.
(2) Press
k
to display the soft keyboard.
(3) Next, perform the following key operation.
9
[[b,c][d,e]]
W
0mat
b
w
2-6-1
Matrix and Vector Calculations
Tip
• For information about assigning data to a variable, see “Creating and Using Variables” on page
1-7-5.
Summary of Contents for ClassPad 300 PLUS
Page 11: ...20050501 ClassPad 300 PLUS ClassPad OS Version 2 20 ...
Page 197: ...20050501 2 10 7 Using Verify 4 Input x 2 1 and press E 5 Input x i x i and press E ...
Page 649: ...20050501 u Graph Line Clustered D u Graph Line Stacked F 13 8 2 Graphing ...
Page 650: ...20050501 u Graph Line 100 Stacked G u Graph Column Clustered H 13 8 3 Graphing ...
Page 651: ...20050501 u Graph Column Stacked J u Graph Column 100 Stacked K 13 8 4 Graphing ...
Page 652: ...20050501 u Graph Bar Clustered L u Graph Bar Stacked 13 8 5 Graphing ...
