Matrix And Vector Calculations; Inputting Matrix Data - Casio ClassPad 300 User Manual

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
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
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
0matbw
Tip
• For information about assigning data to a variable, see "Creating and Using Variables" on page
1-7-5.
2-6-1
Matrix and Vector Calculations
n
-column matrix or
1 2
and assign it to the variable "mat1"
3 4
20030201 20021201
n
-row by 1-column matrix, this