Casio fx-9860G AU PLUS, Руководство пользователя

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Matrix Cell Operations
Use the following procedure to prepare a matrix for cell operations.
1. While the Matrix Editor 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 the Matrix current Memory.
2. Press
w
and the function menu with the following items appears.
• { R-OP } ... {row operation menu}
• { ROW }
• { DEL }/{ INS }/{ ADD } ... row {delete}/{insert}/{add}
• { COL }
• { DEL }/{ INS }/{ ADD } ... column {delete}/{insert}/{add}
• { EDIT } ... {cell editing screen}
All of the following examples use Matrix A.
u
Row Calculations
The following menu appears whenever you press 1 (R-OP) while a recalled matrix is on the
display.
• { Swap } ... {row swap}
• {
×
Rw } ... {product of specified row and scalar}
• {
×
Rw+ } ... {addition of one row and the product of a specified row with a scalar}
• { Rw+ } ... {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
1
(R-OP)
1
(Swap)
Input the number of the rows you want to swap.
c w d w
6
(EXE) (or
w
)
2-8-5
Matrix Calculations