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Using the Action Menu

SmRowAdd

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

Menu Item: [Action][Matrix-Calculation][mRowAdd]

SrowAdd

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]

SrowDim

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]

SrowNorm

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]

ScolDim

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]

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