Scilab Function  
    Last update : 21/8/2006
    
      actuator_array -  construct actuator array for a deformable mirror.  
    
      Calling Sequence
    
    
      - 
        [act_arr]=actuator_array( x_dim, y_dim, pitch, velocity)  
      
 
    
    
      Parameters
    
    
      - 
        
          x_dim  
        : the dimensions of the actuator array in X direction (integer). 
 
      - 
        
          y_dim 
        : the dimensions of the actuator array in Y direction (integer). 
 
      - 
        
          pitch  
        :  the actuator's pitch.
 
      - 
        
          velocity  
        :  the actuator's velocity. 
 
      - 
        
          act_arr  
        :  the output actuator array. 
 
    
    
      Description
    
    
     construct actuator array for a deformable mirror
  
    
      Examples
    
    
	ap=circle(5);
	act_dim=8;act_pitch=1;act_vel=1e-4;
	act=actuator_array(act_dim,act_dim,act_pitch,act_vel);
	dm=ideal_dm(ap,act);
 
    
      Author
    
      Chen jingyuan,    Gan guangyong (IAPCM, Beijing,China.)  
    
      See Also
    
    
      
        
          ideal_dm
        
      ,  
        
          ideal_dm_transform
        
      ,