Gcdmod, Hadamard – HP 49g Graphing Calculator User Manual

Page 149

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GCDMOD

Type:

Description:

Access:

Input:

Output:

Flags:

See also:

Function

Finds the greatest common divisor of two polynomials
modulo the current modulus.

Arithmetic,

MODULO

Level 2/Argument 1: A polynomial expression.
Level 1/Argument 2: A polynomial expression.

The greatest common divisor of the two expressions

modulo the current modulus.

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

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

GCD

HADAMARD

Type:

Description:

Access:

Input:

Output:

Flags:

Example:

Command:

Result:

Command

Performs an element by element multiplication of two

matrices (Hadamard product).

Matrices, R(W

hces

)

OPERATIONS

Level 2/Ai'giunent 1: Matrix 1.
Level 1/Argument 2: Matrix 2.
The matrices must have the same order.

The matrix representing the result of the multiplication.

Exact mode must be set (flag -105 clear).
Niuneric mode must not be set (flag -03 clear).

Find the Hadamard product of the following two

matrices:

3 -1 2

and 2 3 0

0 1 4_

_1 5 2_

HADAMARD( [[3 , -

1 , 2 ] [ 0 , 1 , 4 ] ] , [ 2 , 3 , 0 ] [ 1 , 5 , 2 ] ] )

[ [ 6 , - 3 , - 0 ] [ 0 , 5 , 8 ] ]

Page 14-26

Computer Algebra Commands

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