Abs

This block implements the absolute value function.

Abs

Library

Activate/MathOperations

Description

Abs block computes the absolute value of the input.

Inputs can be either real or complex.

Inputs are either scalar, or vector or matrix.

Parameters

Abs_0

Name	Label	Description	Data Type	Valid Values
zcross	Zero-crossing	Select the check box to detect zero crossings.	Scalar	0 1
overflow	Do on overflow (for integers)		String	'Nothing' 'Saturate' 'Error'
externalActivation	External activation	Specifies whether the block receives an external activation or inherits its activation through its regular input ports. When External Activation is selected, an additional activation port is added to the block. By default, external activation is not selected.	Number	0 1

Name

Label

Description

Data Type

Valid Values

zcross

Zero-crossing

Select the check box to detect zero crossings.

Scalar

0
1

overflow

Do on overflow (for integers)

String

'Nothing'
'Saturate'
'Error'

externalActivation

External activation

Specifies whether the block receives an external activation or inherits its activation through its regular input ports. When External Activation is selected, an additional activation port is added to the block. By default, external activation is not selected.

Number

0
1

Ports

Name	Type	IO Type	Number
Port 1	explicit	output	1
Port 2	explicit	input	1
Port 3	activation	input	externalActivation

Advanced Properties

Name	Value	Description
always active	no
direct-feedthrough	yes
zero-crossing	yes
mode	yes
continuous-time state	no
discrete-time state	no