__syscont_disc__.m

similer program for matlab

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##               Auburn University.  All rights reserved.
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## Undocumented internal function.

## -*- texinfo -*-
## @deftypefn {Function File} {[@var{n_tot}, @var{st_c}, @var{st_d}, @var{y_c}, @var{y_d}] =} __syscont_disc__ (@var{sys})
## Used internally in syscont and sysdisc.
##
## @strong{Inputs}
## @var{sys} is a system data structure.
##
## @strong{Outputs}
## @table @var
## @item n_tot
## total number of states
## @item st_c
## vector of continuous state indices (empty if none)
## @item st_d
## vector of discrete state indices (empty if none)
## @item y_c
## vector of continuous output indices
## @item y_d
## vector of discrete output indices
## @end table
## @end deftypefn

## Author: A. S. Hodel <[e-mail]>
## Created: February 1997

function [n_tot, st_c, st_d, y_c, y_d] = __syscont_disc__ (sys)

  ## get ranges for discrete/continuous states and outputs
  [nn, nz, mm, pp, yd] = sysdimensions (sys);
  n_tot = nn + nz;
  st_c = 1:(nn);
  st_d = nn + (1:nz);
  y_c = find (yd == 0);          # y_c, y_d will be empty if there are none.
  y_d = find (yd == 1);

endfunction