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See the recommended documentation of this function

Справка Scilab >> Xcos > palettes > Math operations palette > SIGNUM

SIGNUM

Sign

Block Screenshot

Description

The block output is a vector of the signs of the elements of the input vector. For each input vector's element, the output vector's element is:

  • 1 when the element is greater than zero.

  • 0 when the element is equal to zero.

  • -1 when the element is less than zero.

Dialog box

  • Use zero_crossing

    Select to enable zero crossing detection.

    Properties : Type 'vec' of size 1

Default properties

  • always active: no

  • direct-feedthrough: yes

  • zero-crossing: yes

  • mode: yes

  • regular inputs:

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

  • 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: signum

Interfacing function

  • SCI/modules/scicos_blocks/macros/NonLinear/SIGNUM.sci

Computational function

  • SCI/modules/scicos_blocks/src/c/signum.c (Type 4)

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Last updated:
Thu Oct 02 14:01:14 CEST 2014