Sharp EL-9600c, EL-9400, EL-9650 manual Entering and Multiplying Matrices

EL-9650/9600c Graphing Calculator

Entering and Multiplying Matrices

A matrix is a rectangular array of elements in rows and columns that is treated as a single element. A matrix is often used for expressing multiple linear equations with multiple variables.

	Example
Enter two matrices and execute multiplication of the two.
1. Enter a 3 x 3 matrix A			A			B
2. Enter a 3 x 3 matrix B		1	2	1	1	2	3
		2	1	-1	4	5	6
3. Multiply the matrices A and B		1	1	-2	7	8	9

Before There may be differences in the results of calculations and graph plotting depending on the setting. Starting Return all settings to the default value and delete all data.

Step & Key Operation Display Notes

*Use either pen touch or cursor to operate.

1-1Access the matrix menu.

MATRIX B *

1*

1-2Set the dimension of the matrix at three rows by three columns.

3

ENTER 3

ENTER

1-3Enter the elements of the first row, the elements of the second row, and the elements of the third row.

1

2

1

ENTER 2

ENTER 1

ENTER 1

ENTER

ENTER

ENTER

1

(-)

(-)

ENTER

1

2

ENTER

ENTER

6-1