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section d of routines in demo3.i

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functions in demo3.i - d

 
 
 
demo3


             demo3  
 
     Solve Lagrange's equations for a famous chaotic pendulum (as on  
     exhibit at the San Francisco Exploratorium).  Run a movie of the  
     result.  By default, the movie runs for 60 seconds, but if you  
     supply an argument to the demo3 function, it will run for that  
     many seconds.  
     The kick= keyword may be used to adjsut the initial amplitude;  
     kick= 1.2 is the default.  
     You may also wish to supply a damp_time= keyword to see the effect  
     of an ad hoc damping term.  damp_time=100 is nice.  

interpreted function, defined at i/demo3.i   line 10  
 
 
 
display


 display  
 
  
 
 
 
draw_frame


 draw_frame  
 
  

interpreted function, defined at i/demo3.i   line 51