4 matrix calculations – Casio fx-9750G PLUS User Manual
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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
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