Parametric Curves

Beschreibung

Bachelor Degree Applied Maths (Parametric Curves) Notiz am Parametric Curves, erstellt von katie.barclay am 19/06/2015.
katie.barclay
Notiz von katie.barclay, aktualisiert more than 1 year ago
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Erstellt von katie.barclay vor mehr als 9 Jahre
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Zusammenfassung der Ressource

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A Parametric Curve is a function from an interval I mapping to Rn. We consider 2D plane curves and 3D space curves. As the parameter t varies in the interval I, the point with position vector x(t) traces out the curve.The trace of a parametric curve is the image of the function x, and we can find this by evaluating x at some points in the domain. A curve that does not cross itself is called simple. The Arc-Length map is the integral of |x(t)| from t0 to t. The Velocity Vector or Tangent Vector is dx/dt = x'. If |x'| > 0 then the parametric curve is regular and we can define the unit tangent vector T = x' / |x'|. Plane Curve - A plane curve is a parametric curve whose trace lies in R2. Space Curve - A space curve is a parametric curve whose trace lies in R3. Parametric curves can also be expressed using polar coordinates.

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