A Cross-Reference Line Method Based Multiobjective Evolutionary Algorithm to Enhance Population Diversity

Algorithm 4

Caldis (P and R).

	Input: P (population), R (set of reference points)
	Output: Distance (perpendicular distance from the candidate solution to the reference line)
(1	)/^∗O denotes the coordinate origin of P/
(2	)for i = 1 to |N| do
(3	) for j = 1 to |R| do
(4	)  Distance (i, j) ←;
(5	) end for
(6	)end for
(7	)return Distance;