FIGURE 2.

A bistable system with different sensitivities between the two modalities. The nominal distribution is shown in solid representation and the perturbed distribution in dashed representation. Here, the parameter perturbation causes: (a) small change in the mean/mode of each modality but large change in distribution entropy, (b) a shift in the weights of the modalities (area under the density function), (c) opposite changes in distribution entropies of the two modalities, and (d) unequal sensitivities in the means/modes of the modalities.