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Topic: more nit picking
Replies: 3   Last Post: Apr 29, 1998 7:56 PM

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Posts: 20
Registered: 12/6/04
more nit picking
Posted: Apr 28, 1998 8:20 PM
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As long as we are picking nits, the definition of inflection point
at least sometimes is written to require more than a change in
concavity. It also requires that the second derivative exist at the
point in question. Thus a sharp turn cannot be a point of
inflection. I don't know how universal this definition is but it
apeals to me. It seams "right" to me to say that a sharp turn can
be a relative extrema but not an inflection point.

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