Functions
create_var(comp, name, block[, index_set])
create_var
replicate_var(comp, name, block[, index_set])
replicate_var
Create a new variable that will have the same indexing set, domain, and bounds as the provided component, and add it to the given block.
tighten_var_domain(comp, new_var[, index_set])
tighten_var_domain