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Finding Tangent vectors for a cubic spline.

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What alvaro said is true. If you are unsure how to extract the tangent vector from the derivative, you should check this similar problem. Pay attention to the fact that there's actually two (left- and right-hand) normal vectors for an arbitrary point on a continuous 2D-curve.

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This topic is 2958 days old which is more than the 365 day threshold we allow for new replies. Please post a new topic.

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