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Table Of Contents
20050501
2-7-33
Using the Action Menu
uu
uu
u 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
Menu Item: [Action][Matrix-Calculation][rowAdd]
uu
uu
u 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]]
Menu Item: [Action][Matrix-Calculation][rowDim]
uu
uu
u 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
Menu Item: [Action][Matrix-Calculation][rowNorm]
uu
uu
u 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]]
Menu Item: [Action][Matrix-Calculation][colDim]