Casio fx-9750G PLUS - Manual (Page 120)

92
6-4 Matrix Calculations
[OPTN]-[MAT]
Use the matrix command menu to perform matrix calculation operations.
u u u u u To display the matrix commands
1. From the Main Menu, select the RUN icon and press w.
2. Press K to display the option menu.
3. Press 2 (MAT) to display the matrix command menu.
The following describes only the matrix commands that are used for matrix
arithmetic operations.
• { Mat} ... {Mat command (matrix specification)}
• { Det} ... {Det command (determinant command)}
• { Trn} ... {Trn command (transpose matrix command)}
• { Iden} ... {Identity command (identity matrix input)}
All of the following examples assume that matrix data is already stored in memory.
k k k k k
Matrix Arithmetic Operations
Matrix 1 Arithmetic operator key Matrix 2
Mat A
+
Mat A
- w
Mat Z
*
Mat Z
MatAns MatAns
Example 1 To add the following two matrices (Matrix A + Matrix B) :
A =
1 1
B =
2 3
2 1 2 1
1 (Mat)aA+
1 (Mat)aBw
Example 2 To multiply the two matrices in Example 1 (Matrix A × Matrix B)
1 (Mat)aA*
1 (Mat)aBw
P.27