3-35
k
Inputting and Editing Matrices
Pressing
1
(
'
MAT) displays the Matrix Editor screen. Use the Matrix Editor to input and edit
matrices.
m
×
n
…
m
(row)
×
n
(column) matrix
None… no matrix preset
• {
DEL
}
/
{
DEL
•
A
} ... deletes {a specific matrix}/{all matrices}
• {
DIM
} ... {specifies the matrix dimensions (number of cells)}
• {
CSV
} ... {transfers data between matrices and CSV files}
u
Creating a Matrix
To create a matrix, you must first define its dimensions (size) in the Matrix Editor. Then you
can input values into the matrix.
u
To specify the dimensions (size) of a matrix
Example
To create a 2-row
×
3-column matrix in the area named Mat B
Highlight Mat B.
c
3
(DIM) (This step can be omitted.)
Specify the number of rows.
c
w
Specify the number of columns.
d
w
w
• All of the cells of a new matrix contain the value 0.
• Changing the dimensions of a matrix deletes its current contents.
• If “Memory ERROR” remains next to the matrix area name after you input the dimensions, it
means there is not enough free memory to create the matrix you want.
u
To input cell values
Example
To input the following data into Matrix B:
1 2 3
4 5 6
1 2 3
4 5 6