Casio FX-7400GII - SOFTWARE VERSION 2-00 User Manual page 82

• You can use Matrix Answer Memory to assign the results of the above matrix input and edit
operations to a matrix variable. To do so, use the following syntax.
n
Fill ( , Mat )
Augment (Mat , Mat )
In the above, , , and
The above does not affect the contents of Matrix Answer Memory.
To assign the contents of a matrix column to a list
Use the following format with the Mat List command to specify a column and a list.
Mat List (Mat X,
X = matrix name (A through Z)
m
= column number
n
= list number
Example To assign the contents of column 2 of the following matrix to list 1:
Matrix A =
Matrix Calculations
Use the matrix command menu to perform matrix calculation operations.
To display the matrix commands
1. From the Main Menu, enter the RUN • MAT mode.
2. Press to display the option menu.
3. Press (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)}
• {Ref} ... {Ref command (row echelon form command)}
• {Rref} ... {Rref command (reduced row echelon form command)}
All of the following examples assume that matrix data is already stored in memory.
Mat
are any variable names A through Z, and
m n
) List
1 2
3 4
5 6
(MAT) (M L)
(Mat) (A)
(LIST) (List)
(List)
2-44
n
is any value.
[OPTN]-[MAT]-[M
[OPTN]-[MAT]
L]