Fills in any missing values for gamma so that if the prey abundance was described by the power law $$\kappa w^{-\lambda}$$ then the encounter rate would lead to the feeding level $$f_0$$. Only for internal use.

get_gamma_default(params)

## Arguments

params A MizerParams object

## Value

A vector with the values of gamma for all species

Other functions calculating defaults: get_h_default(), get_ks_default()