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![[Annotate]](/organics/icons/sannotate.gif)
![[Shownotes]](../gif/annotate/shide-131.gif)
 
This shadowing result is very strong, because it is special to the
Gauss map.  We have shown that  every computed orbit is
 uniformly shadowed by a true orbit  for all iterations,
and that the distance to the true orbit is uniformly bounded by a small
multiple of the machine epsilon  u.  (Incidentally, I now believe
(1995) that we can replace the 4 in the above with 2, but it's not worth
writing the changes down, really).  Most general shadowing results seem to hold only for
finite times, and have bounds more like  .  Most computational
procedures for  a posteriori verification of shadowing also fit this
model.
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.  Most computational
procedures for  a posteriori verification of shadowing also fit this
model.
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