Weight based sigmoidal selectivity function

A sigmoidal selectivity function with 50% selectivity at weight sigmoidal_weight and width sigmoidal_sigma.

Usage

sigmoid_weight(w, sigmoidal_weight, sigmoidal_sigma, ...)

Arguments

w

Vector of sizes.

sigmoidal_weight

The weight at which the knife-edge operates.

sigmoidal_sigma

The width of the selection function.

...

Unused

Value

Vector of selectivities at the given sizes.

See also

Other selectivity functions: double_sigmoid_length(), knife_edge(), sigmoid_length()