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Math Help - need help with differenciable functions

  1. #1
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    need help with differenciable functions

    describe three ways by which a function can fail to be differentiable
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  2. #2
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    Quote Originally Posted by bobby77 View Post
    describe three ways by which a function can fail to be differentiable
    1. It can have a step discontinuity.

    2. It can have a corner then the derivative from the left is not equal to
    the derivative from the right at the corner.

    3. It can have a vertical asymptote where the derivative becomes arbitrary
    large as we approach the asymptote.

    RonL
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  3. #3
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    Quote Originally Posted by CaptainBlack View Post
    1. It can have a step discontinuity.

    What is that?
    Just saying discontinous at a point is good enough.
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