functions in histon.i - l

             lbs   
 
   returns linear b spline  
     in 1,2,3,4 D  
     EXAMPLE  
     > lbs([-1.,-0.5,0,0.5,1])  
     [0,0.5,1,0.5,0]  
interpreted function, defined at contrib/histon.i   line 6