LUYANG ZHANG
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LUYANG ZHANGさんの最近のアクティビティ-
LUYANG ZHANGさんが投稿を作成しました:
Question about converting a matrix to indicator matrix in gurobi
回答済みHi, suppose I have a matrix/vector containing decision variable x, such as v = [x_1, 2*x_2, x_3+x_4,...], now I want to convert it into a binary matrix such as k_i = 0 if v_i = 0, k_i = 1 if v_i >...
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LUYANG ZHANGさんがコメントを作成しました:
Hi Jaromil, thanks for replying. Here is the log info for barrier: Read MPS format model from file /project/large_scale_lp/MPS/1_day_out_SellerID1000_500.mps Reading time = 483.99 seconds : 2642357...
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LUYANG ZHANGさんが投稿を作成しました:
Wrong algo of dual simplex
回答済みHi team, I'm using GUROBI to solve a large-size MPS file which is roughly about 60G. This problem contains 26423572 rows, 265646022 columns, 962620739 nonzeros I tried with three methods, which ar...