Scicos Block
fr - eng

##
Coefficient computation

### Contents

- Coefficient computation
  - Palette
  - Description
  - Dialog box
  - Default properties
  - Interfacing function
  - Computational function
  - Authors

### Palette

- Matrix - Matrix operation palette

### Description

This block computes the coefficients of a polynomial given its root values.

### Dialog box

- Datatype(1=real double 2=Complex)
  This block can only support double inputs values. These values can be real or complex.
  Properties : Type 'vec' of size 1.

- input row size
  The input row size.
  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 [-2,1] / 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: root_coef

### Interfacing function

- SCI/macros/scicos_blocks/MatrixOp/ROOTCOEF.sci [view code]

### Computational function

- SCI/routines/scicos/root_coef.c [view code]
- SCI/routines/scicos/rootz_coef.c [view code]

### Authors

Fady NASSIF INRIA