Scilab Function
    
      dscr -   discretization of linear system
  
  
  
  
  
  
      Calling Sequence
    
    
      - 
        [sld [,r]]=dscr(sl,dt [,m])  
      
      Parameters
    
    
      - 
        
          sl
        
        
          : 
          syslin
         list containing 
          [A,B,C,D]
        .
        
      
- 
        
          dt
        
        
          : real number, sampling period
        
      
- 
        
          m
        
        
          : covariance of the input noise (continuous time)(default value=0)
        
      
- 
        
          r
        
        
          : covariance of the output noise (discrete time) given if 
          m
         is  given as input
        
      
- 
        
          sld
        
        
          : sampled (discrete-time) linear system, 
          syslin
         list
        
      
      Description
    
    
    Discretization of linear system. 
        sl
       is a continuous-time system:
    
      
        dx/dt=A*x+B*u (+ noise)
      .
    
      
        sld
       is the discrete-time system obtained by 
    sampling 
        sl
       with the sampling period 
        dt
      .
  
  
      Examples
    
    
s=poly(0,'s');
Sys=syslin('c',[1,1/(s+1);2*s/(s^2+2),1/s])
ss2tf(dscr(tf2ss(Sys),0.1))
 
  
  
      See Also
    
    
      
        
          syslin
        
      ,  
        
          flts
        
      ,  
        
          dsimul
        
      ,