Seven double row layout problem instances with 40 facilities

The instances DRLP_01-07 for the double row layout problem (DRLP) have size equal to 40 facilities and were introduced in: Amaral, A.R.S. (2016) A heuristic approach for the double row layout problem. Graduate School of Computer Science, Federal university of Espirito Santo, Brazil.针对双行布局问题（double row layout problem, DRLP）的基准实例集DRLP_01-07，每个实例均包含40个设施，该数据集由Amaral, A.R.S.于2016年在其发表的《双行布局问题的启发式求解方法》一文中首次提出，其发表机构为巴西圣埃斯皮里图联邦大学计算机科学研究生院。