page_title: Pursuit curve
section_title: Single pursuer
hierarchical_section_title: Pursuit curve / Single pursuer
caption_attribution_description: Deutsch: Radiodrome, verschiedene Parameter, Farbe English: Curve of pursuit, different parameters, coloured Polski: Krzywa pogoni przy różnych parametrach Русский: Кривая погони при различных параметрах
context_page_description: A curve of pursuit is a curve constructed by analogy to having a point or points representing pursuers and pursuees; the curve of pursuit is the curve traced by the pursuers.
  With the paths of the pursuer and pursuee parameterized in time, the pursuee is always on the pursuer's tangent. That is, given F, the pursuer, and L, the pursued, for every t with F′ ≠ 0 there is an x such that
context_section_description: The path followed by a single pursuer, following a pursuee that moves at constant speed on a line, is a radiodrome. It is a solution of the differential equation 
  1+y' ² = k² (a−x²) y" ².
caption: Curves of pursuit with different parameters
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