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第3講 The Local Theory of Curves Parametrized by Arc Length (cont.)
課程影音
L3A
L3A
1. Definition: Torsion of a Curve Parametrized by Arc Length
2. Derivation: Frenet Formula
L3B
1. Definition: Normal Plane and Rectifying Plane
2. Example: Helix
L3C
1. Theorem: A Curve with Positive Curvature Is a Plane Curve
if and only if Its Torsion Is Identically Zero
1. Definition: Torsion of a Curve Parametrized by Arc Length
2. Derivation: Frenet Formula
L3B
1. Definition: Normal Plane and Rectifying Plane
2. Example: Helix
L3C
1. Theorem: A Curve with Positive Curvature Is a Plane Curve
if and only if Its Torsion Is Identically Zero