ScalarExpand
This block converts a scalar input into a matrix output whose entries are all equal to the input scalar.
Library
Activate/SignalConversions
Description
The ScalarExpand block converts a scalar value into a matrix of identical elements.
The inputs are expanded into a matrix of identical elements whose dimensions are equal to the dimension specified in the block parameters.
All types supported by Activate are allowed as input to this block.
Parameters
| Name | Label | Description | Data Type | Valid Values |
|---|---|---|---|---|
nout | Size of output ([-1,-2] if unknown) | Dimensions of the output matrix. These dimensions are provided when known, else [-1,-2] can be used and Activate will compute the appropriate dimensions. | Vector of size 2 | |
externalActivation | External activation | This parameter defines if the block receives or inherits an external activation. When External Activation is used, an additional activation port is added to the block. Default is OFF. | Number | 0 |
Ports
| Name | Type | Description | IO Type | Number |
|---|---|---|---|---|
Port 1 | explicit | input | 1 | |
Port 2 | explicit | output | 1 | |
Port 3 | activation | input | externalActivation |
Advanced Properties
| Name | Value | Description |
|---|---|---|
always active | no | |
direct-feedthrough | yes | |
zero-crossing | no | |
mode | no | |
continuous-time state | no | |
discrete-time state | no |