regular smooth curve - Penn Math
regular smooth curve - Penn Math
regular smooth curve - Penn Math
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The Frenet equations<br />
T'(s) = �(s) N(s)<br />
N'(s) = — �(s) T(s) + �(s) B(s)<br />
B'(s) = — �(s) N(s)<br />
then tell us that the <strong>curve</strong> � has curvature �(s) and<br />
torsion �(s) , as desired.<br />
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