x:
Object of class activeBindingFunction:
Primal variables.
y:
Object of class activeBindingFunction: Dual
variables.
s:
Object of class activeBindingFunction:
Primal slack variables.
z:
Object of class activeBindingFunction: Dual
slack variables.
kappa:
Object of class activeBindingFunction:
Self-dual embedding variable; used in LPs, only.
tau:
Object of class activeBindingFunction:
Self-dual embedding variable; used in LPs, only.