Casio CLASSPAD330PLUS Manual De Usuario

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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 
“2-8 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
 
 
0matb
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.