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Math Help - regular surface

  1. #1
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    regular surface

    Which regular surface contains the curve \alpha(t) = (e^tcos(t), e^tsin(t), e^t)?
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  2. #2
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    \mbox{Rotate }\alpha(u)=(e^u,e^u,e^u)\mbox{ about the z-axis to get }\sigma(u,v)=(e^ucos(v),e^usin(v),e^u).
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  3. #3
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    Quote Originally Posted by whipflip15 View Post
    \mbox{Rotate }\alpha(u)=(e^u,e^u,e^u)\mbox{ about the z-axis to get }\sigma(u,v)=(e^ucos(v),e^usin(v),e^u).
    That is a parametrization, but what is the regular surface?
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  4. #4
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    Do you know what a regular surface is?

    'A parameterized surface is regaler if...?'

    Finish the sentence then test the surface i gave.
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