MHB Meaning of Cosx - Contraction, Contractive, Nonexpansive or Lipschtzian?

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what is cosx ? contraction, contractive, nonexpansive or lipschtzian...which is true ?
 
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ozkan12 said:
what is cosx ? contraction, contractive, nonexpansive or lipschtzian...which is true ?

Hi ozkan12,

Perhaps I am not getting your question clearly; are you trying to figure out what is meant by "cosx" ? For one, it might mean the cosine of x.
 
ozkan12 said:
what is cosx ? contraction, contractive, nonexpansive or lipschtzian...
It would also be nice if you remind us the definition of some of these concepts. Lipschitz continuous function is a well-known thing, but nonexpansive is less so, I believe. And what is the difference between contraction and contractive? Finally, what have you tried to answer your question?
 

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