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Sign

From Mathematics Is A Science
Revision as of 22:29, 12 August 2010 by imported>WikiSysop
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This is the graph:

Sign function.jpg


Differentiable-continuous-integrable.jpg

The relation of the sets of functions that are

  • differentiable functions
  • continuous functions
  • integrable functions,

is shown on the right. The absolute value and the sign functions are the counterexamples.