Fix the dead ends currently present in the model

fix_current_dead_ends() zeros out the row or column of the marginal that leads into current dead ends, eliminating all transitions into the existing dead end states. It tends to create new dead ends in the process so is called iteratively by fix_dead_ends().

Usage

fix_current_dead_ends(bf, de)

Arguments

bf

BirdFlow model

de

(optional) output from find_dead_ends()

Value

a BirdFlow model with selected marginal rows and columns zeroed out.