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Collecting all solutions with the MIP solution pool

Description
We take the power generation problem stored in hpw15.mat which seeks to optimise the operating pattern of a group of electricity generators. We solve the problem collecting all solutions found during the MIP search. The optimal solution's objective and solution values are printed to screen.

mipsolpool.zip[download all files]

Source Files

Data Files





hpw15.mat

NAME          HPW15   
ROWS
 N  cost    
 G  dmd___01
 G  dmd___02
 G  dmd___03
 G  dmd___04
 G  dmd___05
 G  nosu__01
 G  nosu__02
 G  nosu__03
 G  nosu__04
 G  nosu__05
 G  cont0102
 G  cont0103
 G  cont0104
 G  cont0105
 G  cont0202
 G  cont0203
 G  cont0204
 G  cont0205
 G  cont0302
 G  cont0303
 G  cont0304
 G  cont0305
 G  cont1_01
 G  cont1_02
 G  cont1_03
 G  lx__0101
 G  lx__0102
 G  lx__0103
 G  lx__0104
 G  lx__0105
 G  lx__0201
 G  lx__0202
 G  lx__0203
 G  lx__0204
 G  lx__0205
 G  lx__0301
 G  lx__0302
 G  lx__0303
 G  lx__0304
 G  lx__0305
 L  ux__0101
 L  ux__0102
 L  ux__0103
 L  ux__0104
 L  ux__0105
 L  ux__0201
 L  ux__0202
 L  ux__0203
 L  ux__0204
 L  ux__0205
 L  ux__0301
 L  ux__0302
 L  ux__0303
 L  ux__0304
 L  ux__0305
COLUMNS
    n___0101  cost         -4.200000   nosu__01      2.000000
    n___0101  cont0102      1.000000   cont1_01     -1.000000
    n___0101  lx__0101      -.850000   ux__0101     -2.000000
    n___0201  cost          5.849999   nosu__01      1.750000
    n___0201  cont0202      1.000000   cont1_02     -1.000000
    n___0201  lx__0201     -1.250000   ux__0201     -1.750000
    n___0301  cost         -9.000000   nosu__01      4.000000
    n___0301  cont0302      1.000000   cont1_03     -1.000000
    n___0301  lx__0301     -1.500000   ux__0301     -4.000000
    n___0102  cost         -2.100000   nosu__02      2.000000
    n___0102  cont0102     -1.000000   cont0103      1.000000
    n___0102  lx__0102      -.850000   ux__0102     -2.000000
    n___0202  cost          2.925000   nosu__02      1.750000
    n___0202  cont0202     -1.000000   cont0203      1.000000
    n___0202  lx__0202     -1.250000   ux__0202     -1.750000
    n___0302  cost         -4.500000   nosu__02      4.000000
    n___0302  cont0302     -1.000000   cont0303      1.000000
    n___0302  lx__0302     -1.500000   ux__0302     -4.000000
    n___0103  cost         -4.200000   nosu__03      2.000000
    n___0103  cont0103     -1.000000   cont0104      1.000000
    n___0103  lx__0103      -.850000   ux__0103     -2.000000
    n___0203  cost          5.849999   nosu__03      1.750000
    n___0203  cont0203     -1.000000   cont0204      1.000000
    n___0203  lx__0203     -1.250000   ux__0203     -1.750000
    n___0303  cost         -9.000000   nosu__03      4.000000
    n___0303  cont0303     -1.000000   cont0304      1.000000
    n___0303  lx__0303     -1.500000   ux__0303     -4.000000
    n___0104  cost         -2.100000   nosu__04      2.000000
    n___0104  cont0104     -1.000000   cont0105      1.000000
    n___0104  lx__0104      -.850000   ux__0104     -2.000000
    n___0204  cost          2.925000   nosu__04      1.750000
    n___0204  cont0204     -1.000000   cont0205      1.000000
    n___0204  lx__0204     -1.250000   ux__0204     -1.750000
    n___0304  cost         -4.500000   nosu__04      4.000000
    n___0304  cont0304     -1.000000   cont0305      1.000000
    n___0304  lx__0304     -1.500000   ux__0304     -4.000000
    n___0105  cost         -4.200000   nosu__05      2.000000
    n___0105  cont0105     -1.000000   cont1_01      1.000000
    n___0105  lx__0105      -.850000   ux__0105     -2.000000
    n___0205  cost          5.849999   nosu__05      1.750000
    n___0205  cont0205     -1.000000   cont1_02      1.000000
    n___0205  lx__0205     -1.250000   ux__0205     -1.750000
    n___0305  cost         -9.000000   nosu__05      4.000000
    n___0305  cont0305     -1.000000   cont1_03      1.000000
    n___0305  lx__0305     -1.500000   ux__0305     -4.000000
    s___0101  cost          2.000000   cont1_01      1.000000
    s___0201  cost          1.000000   cont1_02      1.000000
    s___0301  cost           .500000   cont1_03      1.000000
    s___0102  cost          2.000000   cont0102      1.000000
    s___0202  cost          1.000000   cont0202      1.000000
    s___0302  cost           .500000   cont0302      1.000000
    s___0103  cost          2.000000   cont0103      1.000000
    s___0203  cost          1.000000   cont0203      1.000000
    s___0303  cost           .500000   cont0303      1.000000
    s___0104  cost          2.000000   cont0104      1.000000
    s___0204  cost          1.000000   cont0204      1.000000
    s___0304  cost           .500000   cont0304      1.000000
    s___0105  cost          2.000000   cont0105      1.000000
    s___0205  cost          1.000000   cont0205      1.000000
    s___0305  cost           .500000   cont0305      1.000000
    x___0101  cost         12.000000   dmd___01      1.000000
    x___0101  lx__0101      1.000000   ux__0101      1.000000
    x___0201  cost          7.800000   dmd___01      1.000000
    x___0201  lx__0201      1.000000   ux__0201      1.000000
    x___0301  cost         18.000000   dmd___01      1.000000
    x___0301  lx__0301      1.000000   ux__0301      1.000000
    x___0102  cost          6.000000   dmd___02      1.000000
    x___0102  lx__0102      1.000000   ux__0102      1.000000
    x___0202  cost          3.900000   dmd___02      1.000000
    x___0202  lx__0202      1.000000   ux__0202      1.000000
    x___0302  cost          9.000000   dmd___02      1.000000
    x___0302  lx__0302      1.000000   ux__0302      1.000000
    x___0103  cost         12.000000   dmd___03      1.000000
    x___0103  lx__0103      1.000000   ux__0103      1.000000
    x___0203  cost          7.800000   dmd___03      1.000000
    x___0203  lx__0203      1.000000   ux__0203      1.000000
    x___0303  cost         18.000000   dmd___03      1.000000
    x___0303  lx__0303      1.000000   ux__0303      1.000000
    x___0104  cost          6.000000   dmd___04      1.000000
    x___0104  lx__0104      1.000000   ux__0104      1.000000
    x___0204  cost          3.900000   dmd___04      1.000000
    x___0204  lx__0204      1.000000   ux__0204      1.000000
    x___0304  cost          9.000000   dmd___04      1.000000
    x___0304  lx__0304      1.000000   ux__0304      1.000000
    x___0105  cost         12.000000   dmd___05      1.000000
    x___0105  lx__0105      1.000000   ux__0105      1.000000
    x___0205  cost          7.800000   dmd___05      1.000000
    x___0205  lx__0205      1.000000   ux__0205      1.000000
    x___0305  cost         18.000000   dmd___05      1.000000
    x___0305  lx__0305      1.000000   ux__0305      1.000000
RHS
    RHS00001  dmd___01     15.000000   dmd___02     30.000000
    RHS00001  dmd___03     25.000000   dmd___04     40.000000
    RHS00001  dmd___05     27.000000   nosu__01     17.250000
    RHS00001  nosu__02     34.500000   nosu__03     28.750000
    RHS00001  nosu__04     46.000000   nosu__05     31.049999
BOUNDS
 UI BND0001   n___0101     12.000000
 UI BND0001   n___0201     10.000000
 UI BND0001   n___0301      5.000000
 UI BND0001   n___0102     12.000000
 UI BND0001   n___0202     10.000000
 UI BND0001   n___0302      5.000000
 UI BND0001   n___0103     12.000000
 UI BND0001   n___0203     10.000000
 UI BND0001   n___0303      5.000000
 UI BND0001   n___0104     12.000000
 UI BND0001   n___0204     10.000000
 UI BND0001   n___0304      5.000000
 UI BND0001   n___0105     12.000000
 UI BND0001   n___0205     10.000000
 UI BND0001   n___0305      5.000000
 UI BND0001   s___0101     12.000000
 UI BND0001   s___0201     10.000000
 UI BND0001   s___0301      5.000000
 UI BND0001   s___0102     12.000000
 UI BND0001   s___0202     10.000000
 UI BND0001   s___0302      5.000000
 UI BND0001   s___0103     12.000000
 UI BND0001   s___0203     10.000000
 UI BND0001   s___0303      5.000000
 UI BND0001   s___0104     12.000000
 UI BND0001   s___0204     10.000000
 UI BND0001   s___0304      5.000000
 UI BND0001   s___0105     12.000000
 UI BND0001   s___0205     10.000000
 UI BND0001   s___0305      5.000000
ENDATA

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