Casio fx-9750G Matrix Calculations - Manual (Page 13)

103
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The display shows that Matrix A consists of two rows and three columns.
k k k k k Modifying Matrices Using Matrix Commands
You can also use matrix commands to assign values to and recall values from an
existing matrix, to fill in all cells of an existing matrix with the same value, to combine
two matrices into a single matrix, and to assign the contents of a matrix column to a
list file.
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To assign values to and recall values from an existing matrix
Use the following format with the matrix operation menu’s Mat command ( 1 ) to
specify a cell for value assignment and recall.
Mat X [ m , n ]
X ..................... matrix name (A through Z, or Ans)
m ..................... row number
n ...................... column number
Example 1 Assign 10 to the cell at row 1, column 2 of the following matrix :
1 2
Matrix A = 3 4
5 6
ba
aK2
(MAT) 1 (Mat)
aA![b,c!]
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Example 2 Multiply the value in the cell at row 2, column 2 of the above
matrix by 5
K2
(MAT) 1 (Mat)
aA![c,c!]
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Modifying Matrices Using Matrix Commands
6 - 3
1 2 3 4 5 6
1 2 3 4 5 6
Number of rows
Number of columns
P.101