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Manual Scilab >> xcos > palettes > Sources palette > STEP_FUNCTION

STEP_FUNCTION

Step function generator

Block Screenshot

Description

The Step block provides a step between two definable levels at a specified time. If the simulation time is less than the Step time parameter value, the block's output is the Initial value parameter value. For simulation time greater than or equal to the Step time, the output is the Final value parameter value.

Dialog box

  • Step time

    The time, in seconds, when the output jumps from the Initial value parameter to the Final value parameter.

    Properties : Type 'vec' of size 1.

  • Initial value

    The block output until the simulation time reaches the Step time parameter.

    Properties : Type 'vec' of size -1.

  • Final value

    The block output when the simulation time reaches and exceeds the Step time parameter.

    Properties : Type 'vec' of size -1.

Default properties

  • always active: no

  • direct-feedthrough: no

  • zero-crossing: no

  • mode: no

  • regular outputs:

    - port 1 : size [-1,1] / type 1

  • number/sizes of activation inputs: 0

  • number/sizes of activation outputs: 0

  • continuous-time state: no

  • discrete-time state: no

  • object discrete-time state: no

  • name of computational function: csuper

Interfacing function

  • SCI/modules/scicos_blocks/macros/Sources/STEP_FUNCTION.sci

Compiled Super Block content

Authors

Ramine Nikoukhah - INRIA

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Last updated:
Wed Jan 26 16:24:42 CET 2011