Sign
This block implements the sign function applied to each entry of the input to produce the corresponding output. The possible output values are 1, 0 and -1.
Library
MathOperations
Description
The Sign block indicates the sign of the input. The output is 1 when the input is greater than zero , 0 when the input is equal to zero and -1 when the input is less than zero.
Parameters
| Name | Label | Description | Data Type | Valid Values |
|---|---|---|---|---|
nzz | Apply zero crossing | Enables the detection of zero crossings. | Scalar | 0 |
externalActivation | External activation | This parameter defines if the block receives an external activation or inherits. When External Activation is used, a additional activation port is added to the block. default is OFF. | Number | 0 |
Ports
| Name | Type | Description | 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 |