Casio fx-9750G Matrix Calculations - Manual (Page 5)

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6-2 Matrix Cell Operations
You can perform any of the following operations involving the cells of a matrix on the
display.
• Row swapping, scalar product, addition
• Row deletion, insertion, addition
• Column deletion, insertion, addition
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.
2. Press w .
1 2
Matrix A = 3 4
5 6
1 (R•OP) ..... Row calculation menu
2 (ROW) ...... Row operation menu
3 (COL) ....... Column operation menu
All of the following examples use Matrix A recalled by the above operation.
k k k k k Row Calculations
The following menu appears whenever you press 1 (R•OP) while a recalled matrix
is on the display.
1 (R•OP)
1 (Swap) ..... Row swap
2 (xRw) ....... Scalar product for a specific row
3 (xRw+) ..... Addition of scalar product of specific row to another row
4 (Rw+) ....... Addition of contents of specific row to another row
uuuuu
To swap two rows
Example To swap rows two and three of the following matrix :
1 2
Matrix A = 3 4
5 6
1 2 3 4 5 6
1 2 3 4 5 6