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![[parent]](http://images.planetmath.org:8080/images/uparrow.png) Viewing Message
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| ``Clarification''
by rwan on 2005-02-02 08:12:46 |
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| Hi,
Sorry, but my math is not very strong, so this might be a silly question... ;( In the Hessian definition, C^2 and C^3 appear. What do they mean? That is, what does a "C^2 function f" mean?
Thanks!
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