ANL-CEEESA/MIPLearn
1
0
Fork 0
mirror of https://github.com/ANL-CEEESA/MIPLearn.git synced 2025-12-10 11:28:51 -06:00
Code Issues Packages Projects Releases Wiki Activity

Update docs dependencies; re-run notebooks

Browse Source
This commit is contained in:
Alinson S. Xavier
2025-06-10 12:28:39 -05:00
parent e0b4181579
commit a306f0df26
10 changed files with 388 additions and 302 deletions
Download Patch File Download Diff File Expand all files Collapse all files

137
docs/guide/problems.ipynb
View File

@@ -129,8 +129,8 @@
"8 [ 8.47 21.9 16.58 15.37 3.76 3.91 1.57 20.57 14.76 18.61] 94.58\n",
"9 [ 8.57 22.77 17.06 16.25 4.14 4. 1.56 22.97 14.09 19.09] 100.79\n",
"\n",
"Restricted license - for non-production use only - expires 2024-10-28\n",
"Gurobi Optimizer version 10.0.3 build v10.0.3rc0 (linux64)\n",
"Restricted license - for non-production use only - expires 2026-11-23\n",
"Gurobi Optimizer version 12.0.2 build v12.0.2rc0 (linux64 - \"Ubuntu 22.04.4 LTS\")\n",
"\n",
"CPU model: 13th Gen Intel(R) Core(TM) i7-13800H, instruction set [SSE2|AVX|AVX2]\n",
"Thread count: 10 physical cores, 20 logical processors, using up to 20 threads\n",
@@ -155,18 +155,19 @@
"\n",
" 0 0 1.27484 0 4 5.00000 1.27484 74.5% - 0s\n",
"H 0 0 4.0000000 1.27484 68.1% - 0s\n",
"H 0 0 3.0000000 1.27484 57.5% - 0s\n",
"H 0 0 2.0000000 1.27484 36.3% - 0s\n",
" 0 0 1.27484 0 4 2.00000 1.27484 36.3% - 0s\n",
"\n",
"Explored 1 nodes (38 simplex iterations) in 0.03 seconds (0.00 work units)\n",
"Thread count was 20 (of 20 available processors)\n",
"\n",
"Solution count 3: 2 4 5 \n",
"Solution count 4: 2 3 4 5 \n",
"\n",
"Optimal solution found (tolerance 1.00e-04)\n",
"Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0000%\n",
"\n",
"User-callback calls 143, time in user-callback 0.00 sec\n"
"User-callback calls 151, time in user-callback 0.00 sec\n"
]
}
],
@@ -324,7 +325,7 @@
"capacities\n",
" [1310. 988. 1004. 1269. 1007.]\n",
"\n",
"Gurobi Optimizer version 10.0.3 build v10.0.3rc0 (linux64)\n",
"Gurobi Optimizer version 12.0.2 build v12.0.2rc0 (linux64 - \"Ubuntu 22.04.4 LTS\")\n",
"\n",
"CPU model: 13th Gen Intel(R) Core(TM) i7-13800H, instruction set [SSE2|AVX|AVX2]\n",
"Thread count: 10 physical cores, 20 logical processors, using up to 20 threads\n",
@@ -349,21 +350,20 @@
" Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time\n",
"\n",
" 0 0 -1428.7265 0 4 -804.00000 -1428.7265 77.7% - 0s\n",
"H 0 0 -995.0000000 -1428.7265 43.6% - 0s\n",
"H 0 0 -1279.000000 -1428.7265 11.7% - 0s\n",
" 0 0 -1428.7265 0 4 -1279.0000 -1428.7265 11.7% - 0s\n",
"\n",
"Cutting planes:\n",
" Cover: 1\n",
"\n",
"Explored 1 nodes (4 simplex iterations) in 0.01 seconds (0.00 work units)\n",
"Explored 1 nodes (4 simplex iterations) in 0.02 seconds (0.00 work units)\n",
"Thread count was 20 (of 20 available processors)\n",
"\n",
"Solution count 2: -1279 -804 \n",
"Solution count 3: -1279 -995 -804 \n",
"No other solutions better than -1279\n",
"\n",
"Optimal solution found (tolerance 1.00e-04)\n",
"Best objective -1.279000000000e+03, best bound -1.279000000000e+03, gap 0.0000%\n",
"\n",
"User-callback calls 490, time in user-callback 0.00 sec\n"
"User-callback calls 417, time in user-callback 0.00 sec\n"
]
}
],
@@ -501,7 +501,7 @@
"demands = [6.12 1.39 2.92 3.66 4.56 7.85 2. 5.14 5.92 0.46]\n",
"capacities = [151.89 42.63 16.26 237.22 241.41 202.1 76.15 24.42 171.06 110.04]\n",
"\n",
"Gurobi Optimizer version 10.0.3 build v10.0.3rc0 (linux64)\n",
"Gurobi Optimizer version 12.0.2 build v12.0.2rc0 (linux64 - \"Ubuntu 22.04.4 LTS\")\n",
"\n",
"CPU model: 13th Gen Intel(R) Core(TM) i7-13800H, instruction set [SSE2|AVX|AVX2]\n",
"Thread count: 10 physical cores, 20 logical processors, using up to 20 threads\n",
@@ -518,35 +518,38 @@
"Presolve time: 0.00s\n",
"Presolved: 21 rows, 110 columns, 220 nonzeros\n",
"Variable types: 0 continuous, 110 integer (110 binary)\n",
"Found heuristic solution: objective 245.6400000\n",
"\n",
"Root relaxation: objective 0.000000e+00, 18 iterations, 0.00 seconds (0.00 work units)\n",
"\n",
" Nodes | Current Node | Objective Bounds | Work\n",
" Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time\n",
"\n",
" 0 0 0.00000 0 6 245.64000 0.00000 100% - 0s\n",
" 0 0 0.00000 0 6 368.79000 0.00000 100% - 0s\n",
"H 0 0 301.7200000 0.00000 100% - 0s\n",
"H 0 0 185.1900000 0.00000 100% - 0s\n",
"H 0 0 148.6300000 17.14595 88.5% - 0s\n",
"H 0 0 113.1800000 17.14595 84.9% - 0s\n",
" 0 0 17.14595 0 10 113.18000 17.14595 84.9% - 0s\n",
"H 0 0 99.5000000 17.14595 82.8% - 0s\n",
"H 0 0 98.3900000 17.14595 82.6% - 0s\n",
"H 0 0 93.9800000 64.28872 31.6% - 0s\n",
" 0 0 64.28872 0 15 93.98000 64.28872 31.6% - 0s\n",
"H 0 0 93.9200000 64.28872 31.5% - 0s\n",
" 0 0 86.06884 0 15 93.92000 86.06884 8.36% - 0s\n",
"* 0 0 0 91.2300000 91.23000 0.00% - 0s\n",
"H 0 0 153.5000000 0.00000 100% - 0s\n",
"H 0 0 131.7700000 0.00000 100% - 0s\n",
" 0 0 17.14595 0 10 131.77000 17.14595 87.0% - 0s\n",
"H 0 0 115.6500000 17.14595 85.2% - 0s\n",
"H 0 0 114.5300000 64.28872 43.9% - 0s\n",
"H 0 0 98.3900000 64.28872 34.7% - 0s\n",
" 0 0 74.01104 0 15 98.39000 74.01104 24.8% - 0s\n",
"H 0 0 91.2300000 74.01104 18.9% - 0s\n",
"\n",
"Explored 1 nodes (70 simplex iterations) in 0.08 seconds (0.00 work units)\n",
"Cutting planes:\n",
" Cover: 16\n",
" MIR: 1\n",
" StrongCG: 1\n",
"\n",
"Explored 1 nodes (42 simplex iterations) in 0.02 seconds (0.00 work units)\n",
"Thread count was 20 (of 20 available processors)\n",
"\n",
"Solution count 10: 91.23 93.92 93.98 ... 368.79\n",
"Solution count 9: 91.23 98.39 114.53 ... 368.79\n",
"\n",
"Optimal solution found (tolerance 1.00e-04)\n",
"Best objective 9.123000000000e+01, best bound 9.123000000000e+01, gap 0.0000%\n",
"\n",
"User-callback calls 190, time in user-callback 0.00 sec\n"
"User-callback calls 189, time in user-callback 0.00 sec\n"
]
}
],
@@ -675,7 +678,7 @@
"costs [1044.58 850.13 1014.5 944.83 697.9 971.87 213.49 220.98 70.23\n",
" 425.33]\n",
"\n",
"Gurobi Optimizer version 10.0.3 build v10.0.3rc0 (linux64)\n",
"Gurobi Optimizer version 12.0.2 build v12.0.2rc0 (linux64 - \"Ubuntu 22.04.4 LTS\")\n",
"\n",
"CPU model: 13th Gen Intel(R) Core(TM) i7-13800H, instruction set [SSE2|AVX|AVX2]\n",
"Thread count: 10 physical cores, 20 logical processors, using up to 20 threads\n",
@@ -701,7 +704,7 @@
"Optimal solution found (tolerance 1.00e-04)\n",
"Best objective 2.134900000000e+02, best bound 2.134900000000e+02, gap 0.0000%\n",
"\n",
"User-callback calls 178, time in user-callback 0.00 sec\n"
"User-callback calls 183, time in user-callback 0.00 sec\n"
]
}
],
@@ -816,7 +819,7 @@
"costs [1044.58 850.13 1014.5 944.83 697.9 971.87 213.49 220.98 70.23\n",
" 425.33]\n",
"\n",
"Gurobi Optimizer version 10.0.3 build v10.0.3rc0 (linux64)\n",
"Gurobi Optimizer version 12.0.2 build v12.0.2rc0 (linux64 - \"Ubuntu 22.04.4 LTS\")\n",
"\n",
"CPU model: 13th Gen Intel(R) Core(TM) i7-13800H, instruction set [SSE2|AVX|AVX2]\n",
"Thread count: 10 physical cores, 20 logical processors, using up to 20 threads\n",
@@ -843,7 +846,7 @@
"Optimal solution found (tolerance 1.00e-04)\n",
"Best objective -1.986370000000e+03, best bound -1.986370000000e+03, gap 0.0000%\n",
"\n",
"User-callback calls 238, time in user-callback 0.00 sec\n"
"User-callback calls 244, time in user-callback 0.00 sec\n"
]
}
],
@@ -943,11 +946,14 @@
"weights[1] [ 2.06 96.99 83.24 21.23 18.18 18.34 30.42 52.48 43.19 29.12]\n",
"\n",
"Set parameter PreCrush to value 1\n",
"Gurobi Optimizer version 10.0.3 build v10.0.3rc0 (linux64)\n",
"Gurobi Optimizer version 12.0.2 build v12.0.2rc0 (linux64 - \"Ubuntu 22.04.4 LTS\")\n",
"\n",
"CPU model: 13th Gen Intel(R) Core(TM) i7-13800H, instruction set [SSE2|AVX|AVX2]\n",
"Thread count: 10 physical cores, 20 logical processors, using up to 20 threads\n",
"\n",
"Non-default parameters:\n",
"PreCrush 1\n",
"\n",
"Optimize a model with 15 rows, 10 columns and 30 nonzeros\n",
"Model fingerprint: 0x3240ea4a\n",
"Variable types: 0 continuous, 10 integer (10 binary)\n",
@@ -978,7 +984,7 @@
"Optimal solution found (tolerance 1.00e-04)\n",
"Best objective -2.191400000000e+02, best bound -2.191400000000e+02, gap 0.0000%\n",
"\n",
"User-callback calls 299, time in user-callback 0.00 sec\n"
"User-callback calls 303, time in user-callback 0.00 sec\n"
]
}
],
@@ -1123,11 +1129,15 @@
"\n",
"Set parameter PreCrush to value 1\n",
"Set parameter LazyConstraints to value 1\n",
"Gurobi Optimizer version 10.0.3 build v10.0.3rc0 (linux64)\n",
"Gurobi Optimizer version 12.0.2 build v12.0.2rc0 (linux64 - \"Ubuntu 22.04.4 LTS\")\n",
"\n",
"CPU model: 13th Gen Intel(R) Core(TM) i7-13800H, instruction set [SSE2|AVX|AVX2]\n",
"Thread count: 10 physical cores, 20 logical processors, using up to 20 threads\n",
"\n",
"Non-default parameters:\n",
"PreCrush 1\n",
"LazyConstraints 1\n",
"\n",
"Optimize a model with 10 rows, 45 columns and 90 nonzeros\n",
"Model fingerprint: 0x719675e5\n",
"Variable types: 0 continuous, 45 integer (45 binary)\n",
@@ -1158,7 +1168,7 @@
"Optimal solution found (tolerance 1.00e-04)\n",
"Best objective 2.921000000000e+03, best bound 2.921000000000e+03, gap 0.0000%\n",
"\n",
"User-callback calls 106, time in user-callback 0.00 sec\n"
"User-callback calls 111, time in user-callback 0.00 sec\n"
]
}
],
@@ -1342,7 +1352,7 @@
" 828.28 775.18 834.99 959.76 865.72 1193.52 1058.92 985.19 893.92\n",
" 962.16 781.88 723.15 639.04 602.4 787.02]\n",
"\n",
"Gurobi Optimizer version 10.0.3 build v10.0.3rc0 (linux64)\n",
"Gurobi Optimizer version 12.0.2 build v12.0.2rc0 (linux64 - \"Ubuntu 22.04.4 LTS\")\n",
"\n",
"CPU model: 13th Gen Intel(R) Core(TM) i7-13800H, instruction set [SSE2|AVX|AVX2]\n",
"Thread count: 10 physical cores, 20 logical processors, using up to 20 threads\n",
@@ -1355,43 +1365,46 @@
" Objective range [7e+00, 6e+03]\n",
" Bounds range [1e+00, 1e+00]\n",
" RHS range [1e+00, 1e+03]\n",
"Presolve removed 244 rows and 131 columns\n",
"Presolve removed 341 rows and 133 columns\n",
"Presolve time: 0.01s\n",
"Presolved: 334 rows, 229 columns, 842 nonzeros\n",
"Variable types: 116 continuous, 113 integer (113 binary)\n",
"Found heuristic solution: objective 440662.46430\n",
"Found heuristic solution: objective 429461.97680\n",
"Found heuristic solution: objective 374043.64040\n",
"Presolved: 237 rows, 227 columns, 725 nonzeros\n",
"Variable types: 114 continuous, 113 integer (113 binary)\n",
"Found heuristic solution: objective 475243.89360\n",
"\n",
"Root relaxation: objective 3.361348e+05, 142 iterations, 0.00 seconds (0.00 work units)\n",
"Root relaxation: objective 3.361348e+05, 96 iterations, 0.00 seconds (0.00 work units)\n",
"\n",
" Nodes | Current Node | Objective Bounds | Work\n",
" Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time\n",
"\n",
" 0 0 336134.820 0 18 374043.640 336134.820 10.1% - 0s\n",
"H 0 0 368600.14450 336134.820 8.81% - 0s\n",
"H 0 0 364721.76610 336134.820 7.84% - 0s\n",
" 0 0 cutoff 0 364721.766 364721.766 0.00% - 0s\n",
" 0 0 336134.820 0 18 475243.894 336134.820 29.3% - 0s\n",
"H 0 0 471441.37480 336134.820 28.7% - 0s\n",
"H 0 0 410679.27820 336134.820 18.2% - 0s\n",
"H 0 0 391706.31610 336134.820 14.2% - 0s\n",
"H 0 0 374515.31390 336134.820 10.2% - 0s\n",
"H 0 0 369369.87450 336134.820 9.00% - 0s\n",
"H 0 0 368600.14450 344055.048 6.66% - 0s\n",
"H 0 0 368180.65796 364657.488 0.96% - 0s\n",
"H 0 0 364721.76610 364657.488 0.02% - 0s\n",
" 0 0 364721.766 0 6 364721.766 364721.766 0.00% - 0s\n",
"\n",
"Cutting planes:\n",
" Gomory: 3\n",
" Cover: 8\n",
" Implied bound: 29\n",
" Clique: 222\n",
" MIR: 7\n",
" Flow cover: 7\n",
" RLT: 1\n",
" Relax-and-lift: 7\n",
" Gomory: 2\n",
" Cover: 7\n",
" Implied bound: 1\n",
" Clique: 19\n",
" MIR: 3\n",
" RLT: 10\n",
" Relax-and-lift: 1\n",
"\n",
"Explored 1 nodes (234 simplex iterations) in 0.02 seconds (0.02 work units)\n",
"Explored 1 nodes (181 simplex iterations) in 0.03 seconds (0.01 work units)\n",
"Thread count was 20 (of 20 available processors)\n",
"\n",
"Solution count 5: 364722 368600 374044 ... 440662\n",
"Solution count 7: 364722 368600 374515 ... 475244\n",
"\n",
"Optimal solution found (tolerance 1.00e-04)\n",
"Best objective 3.647217661000e+05, best bound 3.647217661000e+05, gap 0.0000%\n",
"\n",
"User-callback calls 677, time in user-callback 0.00 sec\n"
"User-callback calls 815, time in user-callback 0.00 sec\n"
]
}
],
@@ -1511,7 +1524,7 @@
"weights[0] [37.45 95.07 73.2 59.87 15.6 15.6 5.81 86.62 60.11 70.81]\n",
"weights[1] [ 2.06 96.99 83.24 21.23 18.18 18.34 30.42 52.48 43.19 29.12]\n",
"\n",
"Gurobi Optimizer version 10.0.3 build v10.0.3rc0 (linux64)\n",
"Gurobi Optimizer version 12.0.2 build v12.0.2rc0 (linux64 - \"Ubuntu 22.04.4 LTS\")\n",
"\n",
"CPU model: 13th Gen Intel(R) Core(TM) i7-13800H, instruction set [SSE2|AVX|AVX2]\n",
"Thread count: 10 physical cores, 20 logical processors, using up to 20 threads\n",
@@ -1530,12 +1543,12 @@
"Presolved: 8 rows, 8 columns, 19 nonzeros\n",
"Variable types: 0 continuous, 8 integer (8 binary)\n",
"\n",
"Root relaxation: objective 2.995750e+02, 8 iterations, 0.00 seconds (0.00 work units)\n",
"Root relaxation: cutoff, 8 iterations, 0.00 seconds (0.00 work units)\n",
"\n",
" Nodes | Current Node | Objective Bounds | Work\n",
" Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time\n",
"\n",
" 0 0 infeasible 0 301.00000 301.00000 0.00% - 0s\n",
" 0 0 cutoff 0 301.00000 301.00000 0.00% - 0s\n",
"\n",
"Explored 1 nodes (8 simplex iterations) in 0.01 seconds (0.00 work units)\n",
"Thread count was 20 (of 20 available processors)\n",
@@ -1545,7 +1558,7 @@
"Optimal solution found (tolerance 1.00e-04)\n",
"Best objective 3.010000000000e+02, best bound 3.010000000000e+02, gap 0.0000%\n",
"\n",
"User-callback calls 326, time in user-callback 0.00 sec\n"
"User-callback calls 333, time in user-callback 0.00 sec\n"
]
}
],