Scicos Block
fr - eng

Derivative

Contents

• Derivative
  • Palette
  • Description
  • Default properties
  • Interfacing function
  • Computational function
  • Authors

Palette

• Linear - Linear Palette

Description

The Derivative block approximates the derivative of its input by computing:

$$\frac{\Delta u}{\Delta t}$$

Default properties

• always active: yes
• 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: deriv

Interfacing function

• SCI/macros/scicos_blocks/Linear/DERIV.sci [view code]

Computational function

• SCI/routines/scicos/deriv.c (Type 4) [view code]

Authors

Ramine Nikoukhah INRIA