Hp 49g Graphing Calculator Manual do Utilizador descarregar pdf (Página 133)

AXQ

Type:

Description:

Access:

Input:

Output:

Flags:

Example:

Converts a square matrix into the associated quadratic

form.

Command

Command:

Result:

See also:

Convert, RSlfflf)

Level 2/Argiunent 1: An nxn matrix.

Level 1/Argument 2: A vector containing n variables.

Level 2/Itein 1: The corresponding quadratic fonn.

Level 1/Item 2: The vector containing the variables.

Exact mode must be set (flag -105 clear).

Niuneric mode must not be set (flag -03 clear).

Find the quadratic form, expressed in tenns of x, y, and

z, associated with the following matrix:

3 6 0

2 4 1

AXQ([ [3,6,0] [2,4,1] [1,1,1]], [X,Y,Z])

{3*X"'2+ I

Z] }

GAUSS

QXA

!*Y+Z) *X+(4*Y''2 + 2*Z*Y+Z^2 ) , [X,Y,

CASCFG

Type: Command

Description: Restores the default CAS mode settings. This command is

equivalent to pressing RESET on the CAS Modes input

form.

Access:

CASCFG

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Computer Algebra Commands

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Hp 49g Graphing Calculator Manual do Utilizador Página 133