Integer Linear Programming Models for the Containership Stowage Problem

Table 4

Decision variables in model I.

Decision variables	Meaning
	= 1 if -container is allocated to block ; = 0, otherwise
	The number of -containers allocated to block
	= 1 if -container is allocated to tier of block ; = 0, otherwise
	The number of -containers allocated to tier of block
	= 1 if -containers allocated to tier of block are overstowed; = 0, otherwise