IntersectLineAndCone:

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   Compute the intersection of a line and a cone. The line is defined by a
   point and unit vectors.
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   Form:
   [y, i] = IntersectLineAndCone( p, u, alpha )
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   ------
   Inputs
   ------
   p              (3,:)  Points
   u              (3,:)  Unit vectors
   alpha          (1,1)  alpha

   -------
   Outputs
   -------
   y              (6,:) Intersection points
   i              (1,:) 1 = intersected

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Children:

Math: Linear/DupVect