Linear Programming Model and Online Algorithm for Customer-Centric Train Calendar Generation

Table 1

List of symbols used in mathematical formula (8).

Symbol	Description
	Values ranging from 0 to 6, where 0 is associated with the day of week “Saturday” and 6 with “Friday”. Therefore, for “Monday” this value will be equal to 2.
	Current year. For the simulations, we consider this value equal to 2020.
	The integer portion quotient inside the brackets.
	The number of the year-to-date days, starting from 1^st January to which we associate the value 1.
	The modulo operator, which returns the remainder of the division inside the round brackets.