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Using the Action Menu

uLU

Function: Returns the LU decomposition of a square matrix.

Syntax: LU (Mat, lVariableMem, uVariableMem [ ) ]

Example: To obtain the LU decomposition of the matrix [[1,2,3] [4,5,6] [7,8,9]]

•The lower matrix is assigned to the first variable L, while the upper matrix is assigned to the second variable U.

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

To display the lower matrix

Menu Item: [VAR][CAP][L][EXE]

To display the upper matrix

Menu Item: [VAR][CAP][U][EXE]

uQR

Function: Returns the QR decomposition of a square matrix.

Syntax: QR (Mat, qVariableMem, rVariableMem [ ) ]

Example: To obtain the QR decomposition of the matrix [[1, 2] [3, 4]]

•The unitary matrix is assigned to variable Q, while the upper triangular matrix is assigned to variable R.

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

To display the unitary matrix

Menu Item: [VAR][CAP][Q][EXE]

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