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92
6-4 Matrix Calculations [OPTN]-[MAT]
Use the matrix command menu to perform matrix calculation operations.
uu
uu
uTo 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.
kk
kk
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 =
11
B =
23
21 21
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
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