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Fig. 12. The top line represents y=x, i.e. the correct homing distance. The middle line represents three leaky integrator models fitted to data (diamonds) taken directly from fig. 2 of Sommer and Wehner (2004). The models are Eqn 8 with {alpha}=98.27, ß=0.0103 (taken from their paper), Eqn 9 with {alpha}=103.2 and Eqn 10 with {alpha}=193.6 (fitted using least squared error). The models are indistinguishable. Also shown as the bottom line is Eqn 10 with {alpha}=18.38, the value obtained fitting the simplified analytic model (SAM) to the L-shaped journey experiments (see text), clearly a poor fit.





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