English: This figure shows the contour plot (equipotential curves) of a potential field generated by a repulsive triangle (in blue) and an attractive goal (in red).
({{Information |Description=This figure shows the contour plot (equipotential curves) of a potential field generated by a repulsive triangle (in blue) and an attractive goal (in red). |Source= |Date=2008 |Author=[[User:Trolli101]] |Permission= |other_versi)
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