Casio ClassPad II fx-CP400 Manual de usuario Pagina 76

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Chapter 2: Main Application  76
u mRow [Action][Matrix][Row&Column][mRow]
Function: Multiplies the elements of a specific row in a matrix by a specific
expression.
Syntax: mRow (Exp, Mat, row number [ ) ]
Example: To multiply row 1 of the matrix [[1, 2] [3, 4]] by
x
u mRowAdd [Action][Matrix][Row&Column][mRowAdd]
Function: Multiplies the elements of a specific row in a matrix by a specific expression, and then adds the
result to another row.
Syntax: mRowAdd (Exp, Mat, row number-1, row number-2 [ ) ]
Example: To multiply row 1 of the matrix [[1, 2] [3, 4]] by
x , and then add the
result to row 2
u rowAdd [Action][Matrix][Row&Column][rowAdd]
Function: Adds a specific matrix row to another row.
Syntax: rowAdd (Mat, row number-1, row number-2 [ ) ]
Example: To add row 1 of the matrix [[1, 2] [3, 4]] to row 2
u rowDim [Action][Matrix][Row&Column][rowDim]
Function: Returns the number in rows in a matrix.
Syntax: rowDim (Mat [ ) ]
Example: To obtain the number of rows in the matrix [[1, 2, 3] [4, 5, 6]]
u rowNorm [Action][Matrix][Row&Column][rowNorm]
Function: Calculates the sums of the absolute values of the elements of each row of a matrix, and returns the
maximum value of the sums.
Syntax: rowNorm (Mat [ ) ]
Example: To calculate the sums of the absolute values of the elements
in each row of the matrix [[1, –2, 3] [4, –5, –6]], and obtain the
maximum value of the sums
u colDim [Action][Matrix][Row&Column][colDim]
Function: Returns the number of columns in a matrix.
Syntax: colDim (Mat [ ) ]
Example: To obtain the number of columns in the matrix [[1, 2] [3, 4] [5, 6]]
u colNorm [Action][Matrix][Row&Column][colNorm]
Function: Calculates the sums of the absolute values of the elements of each column of a matrix, and returns
the maximum value of the sums.
Syntax: colNorm (Mat [ ) ]
Example: To calculate the sums of the absolute values of the elements
in each column of the matrix [[1, –2, 3][4, –5, –6][–7, 8, 9]],
and obtain the maximum value of the sums
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