Difference between revisions of "Differentiable"
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Revision as of 22:28, 8 September 2007
This article is a stub. Help us out by expanding it.
A function is "differentiable" at a point if the function is able to be differentiated at the point. The function is not differentiable at a point if at least one of the following occur:
- f'(x) doesn't exist.
- f(x) doesn't exist.
- f(x) isn't continuous at the point.
