Scicos Block
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Log

Contents

• Log
  • Palette
  • Description
  • Dialog box
  • Default properties
  • Interfacing function
  • Computational function
  • Authors

Palette

• Non_linear - Non-Linear palette

Description

This block realizes :

$$y(i)=log(u(i))/log(a).$$

The input and output port sizes are determined by the context.

Dialog box

• Basis
  A real scalar greater than 1.
  Properties : Type 'vec' of size 1.

Default properties

• always active: no
• direct-feedthrough: yes
• zero-crossing: no
• mode: no
• 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: logblk

Interfacing function

• SCI/macros/scicos_blocks/NonLinear/LOGBLK_f.sci [view code]

Computational function

• SCI/routines/scicos/logblk.f (Type 0) [view code]

Authors

Ramine Nikoukhah INRIA