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

NameLabelDescriptionData TypeValid 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

NameTypeDescriptionIO TypeNumber

Port 1

explicit

output

1

Port 2

explicit

input

1

Port 3

activation

input

externalActivation

Advanced Properties

NameValueDescription

always active

no

direct-feedthrough

yes

zero-crossing

yes

mode

yes

continuous-time state

no

discrete-time state

no