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Consider the negation function,   ,
which is a globally linear function.
An example evaluation follows:
 ,
which is a globally linear function.
An example evaluation follows:
with
 
  
  
  
  
 
 Next: 3.3.9 Examples with a Piecewise 
Up: 3.3 Linear Interval Arithmetic
 Previous: 3.3.7 Linear Functions