Casio CFX-9850G PLUS, User'S Manual & Technical Reference

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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)
a A+
1
(Mat)
a B w
Example 2 To multiply the two matrices in Example 1 (Matrix A
×
Matrix B)
1
(Mat)
a A*
1
(Mat)
a B w
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