Curve

Library

Sources

Description

This block defines a tabulated function of time. Between mesh points block performs a linear interpolation. Outside tabulation block outputs last tabulated value. User may define the tabulation of the function using a curve editor.

Default properties

• always active: yes
• direct-feedthrough: no
• zero-crossing: no
• mode: no
• number/sizes of inputs: 0 /
• number/sizes of outputs: 1 / 1
• number/sizes of activation inputs: 0 /
• number/sizes of activation outputs: 0 /
• continuous-time state: no
• discrete-time state: no
• name of computational function: intplt

Interfacing function

scilab/macros/scicos_blocks/sources/CURV_f.sci

Computational function (type 0)

      subroutine intplt(flag,nevprt,t,xd,x,nx,z,nz,tvec,ntvec,
     &     rpar,nrpar,ipar,nipar,u,nu,y,ny)
c     Copyright INRIA

c     Scicos block simulator
c     y=f(t) for f a tabulated function from R to R^ny
c
c     ipar(1)             : np number of mesh points
c     rpar(1:ny+1,1:np) : matrix of mesh point coordinates
c                       first row contains t coordinate mesh points
c                       next rows contains y coordinates mesh points
c                       (one row for each output)
c
      double precision t,xd(*),x(*),z(*),tvec(*),rpar(*),u(*),y(*)
      integer flag,nevprt,nx,nz,ntvec,nrpar,ipar(*)
      integer nipar,nu,ny

c
c
      np=ipar(1)
      call intp(t,rpar(1),rpar(1+np),ny,np,y)

      end