Also called Path Length or Measured Length.
Distance between two points of Trajectory
l = \int_0^l \sqrt{dx^2 + dy^2 + dz^2} = \int_0^l \sqrt{\dot x^2 + \dot y^2 + \dot z^2} dl |
where
position vector of trajectory points | |
path length from reference point |
Natural Science / Physics / Measuring / Positioning / Trajectory
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