In cylindrical coordinates

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- March 11th 2011, 01:06 PM #1

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## Profile Curve

This is translated from my own language, so feel free to correct me if I'm using a wrong translation.

A profile curve in (x, z)-plan is given by the graph of the function z = ln (x), where

x [1, 2]. The profile curve is rotated the angle around z-axis counterclockwise as seen from the z-axis'

positive end. This yields the rotation surface F.

Find a parametrization for the profile curve and F.

- March 13th 2011, 02:01 PM #2

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- March 14th 2011, 01:18 PM #3

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- March 14th 2011, 02:31 PM #4

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- March 15th 2011, 03:11 AM #5

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