Casio ALGEBRA FX 2.0, User Manual

Page: 106 / 426

19990401
k
Matrix Cell Operations
Use the following procedure to prepare a matrix for cell operations.
1. While the Matrix list is on the display, use
f
and
c
to highlight the name of the
matrix you want to use.
You can jump to a specific matrix by inputting the letter that corresponds to the matrix
name. Inputting
a i
(N), for example, jumps to Mat N.
Pressing
!-
(Ans) jumps to Matrix Memory.
2. Press
w
and the function menu with the following items appears.
• {
EDIT
} ... {cell editing screen}
• {
R-OP
} ... {row operation menu}
• {
R
•
DEL
}
/
{
R
•
INS
}
/
{
R
•
ADD
} ... row {delete}/{insert}/{add}
• {
C
•
DEL
}
/
{
C
•
INS
}
/
{
C
•
ADD
} ... column {delete}/{insert}/{add}
All of the following examples use Matrix A.
u
Row Calculations
The following menu appears whenever you press
2
(R-OP) while a recalled matrix is on the
display.
• { Swap } ... {row swap}
• {
!
Row } ... {scalar product of specified row}
• {
!
Row+ } ... {addition of scalar product of specified row to another row}
• { Row+ } ... {addition of specified row to another row}
u
To swap two rows
Example To swap rows two and three of the following matrix :
1 2
Matrix A = 3 4
5 6
2
(R-OP)
b
(Swap)
Input the number of the rows you want to swap.
c w d w
6
(EXE) (or
w
)
2-8-5
Matrix Calculations