 
  
  
  
  
  Charts
  Charts
Some examples of   follow.
  follow.
  
 
 chart is used to visualize the sections
the function g is cut into.
Here are
  chart is used to visualize the sections
the function g is cut into.
Here are   charts for the preceding examples:
  charts for the preceding examples:
      
 
 and
  and   charts are both identical to the
 
charts are both identical to the
  chart.
  chart.
Determination of   , for twice differentiable g,
is aided by the
relationship between
 , for twice differentiable g,
is aided by the
relationship between   and
  and   :
if
 :
if   and
  and   , then
 , then
  
 
 ,
 ,   ;
since
 ;
since
  
 
 ,
which implies
 ,
which implies   ,
the following holds:
 ,
the following holds:
  
 
 and
  and   ,
it follows that
 ,
it follows that
  , for any
 , for any   ;
so
 ;
so   .
 .
 
  
  
  
  
 | Jeff Tupper | March 1996 |