Fig. 9.

Illustration of the impact of the parameterɛ on the normalization provided by the vector average methods. The three curved traces show, for different values of ɛ, how the output of the vector average computations changes with the strength of the input, assuming the center of mass of the input is constant. The diagonal line shows the outcome if there were no normalization, and thehorizontal line shows the perfect normalization that results when ɛ is zero. The value of ɛ is expressed as a percentage of the denominator of the vector average when the input is at 100%.