2-6-3

Matrix and Vector Calculations

kInputting Matrix Values with the ) Keyboard

The 6, 7, and 8 keys of the ) keyboard make matrix value input quick and easy.

To do this:

 

 

 

 

Tap this 2D key:

Create a new 1-row ⋅ 2-column matrix

 

 

 

6

 

 

 

 

 

 

 

Create a new 2-row ⋅ 1-column matrix

 

 

 

7

 

 

 

 

 

 

 

Create a new 2-row ⋅ 2-column matrix

 

 

 

8

 

 

 

 

 

 

Add a column to the currently displayed matrix

6

 

 

 

 

 

 

Add a row to the currently displayed matrix

7

 

 

 

 

 

 

Add both a row and column to the currently displayed matrix

8

Example: To input the matrix

 

1

2

3

 

and assign it to the variable “mat2”

 

 

 

5

6

 

 

 

4

 

 

 

u ClassPad Operation

(1)Tap )K to display the lower part of the 2D keyboard, and then perform the key operation below in the Main application work area.

6(Creates a 1-row ⋅ 2-column matrix.) bec

6(Adds one column to the matrix.) d

7(Adds one row to the matrix.) eefeg

(2)Perform the key operation below to assign the matrix to the variable named “mat2”. eW0matcw

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