Matrices in Home

You can enter and operate on matrices directly in Home

view

view. The matrices can be named or unnamed.

 

Enter a vector or matrix in Home or CAS views directly in

 

the entry line.

 

1.

Press Su([])

 

 

to start a vector or

 

 

matrix. The matrix

 

 

template will appear,

 

 

as shown in the

 

 

figure to the right.

 

2.

Enter a value in the

 

 

square. Then press

 

 

>to enter a second value in the same row, or press

 

 

\to move to the second row. The matrix will grow

 

 

with you as you enter values, adding rows and

 

 

columns as needed.

 

3.

You can increase

 

 

your matrix at any

 

 

time, adding

 

 

columns and rows as

 

 

you please. You can

 

 

also delete an entire

 

 

row or column. Just

 

 

place the cursor on

 

 

the ± symbol at the end of a row or column. Then

 

 

press +to insert a new row or column, or w to

 

 

delete the row or column. You can also press Cto

 

 

delete a row or column. In the figure above, pressing

 

 

Cwould delete the second row of the matrix.

 

4.

When you are

 

 

finished, press

 

 

Eand the

 

 

matrix will be

 

 

displayed in the

 

 

History. You can then

 

 

use or name your

 

 

matrix.

To store a matrix

You can store a vector or matrix in a variable. You can do

 

this before it is added to History, or you can copy it from

 

History. When you’ve entered a vector or matrix in the

Matrices

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Image 473
HP Prime Graphing NW280AAABA manual Matrices in Home, View, To store a matrix