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Please note that the recommended version of Scilab is 6.0.2. This page might be outdated.
See the recommended documentation of this function

Scilab manual >> xcos > palettes > Matrix operation palette > ROOTCOEF

ROOTCOEF

Coefficient computation

Block Screenshot

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/modules/scicos_blocks/macros/MatrixOp/ROOTCOEF.sci

Computational function

  • SCI/modules/scicos_blocks/src/c/root_coef.c

  • SCI/modules/scicos_blocks/src/c/rootz_coef.c

Authors

Fady NASSIF - INRIA

Scilab Enterprises
Copyright (c) 2011-2017 (Scilab Enterprises)
Copyright (c) 1989-2012 (INRIA)
Copyright (c) 1989-2007 (ENPC)
with contributors
Last updated:
Wed Jan 26 16:25:14 CET 2011