Getting Started Example (optmig01)

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/*                                                             */
/*          S A S   S A M P L E   L I B R A R Y                */
/*                                                             */
/*    NAME: optmig01                                           */
/*   TITLE: Getting Started Example (optmig01)                 */
/* PRODUCT: OR                                                 */
/*  SYSTEM: ALL                                                */
/*    KEYS: OR                                                 */
/*   PROCS: OPTMILP                                            */
/*    DATA:                                                    */
/*                                                             */
/* SUPPORT:                             UPDATE:                */
/*     REF:                                                    */
/*    MISC: Example from the Getting Started section of the    */
/*          OPTMILP chapter of Mathematical Programming.       */
/*                                                             */
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data ex_mip;
   input field1 $ field2 $ field3 $ field4 field5 $ field6;
   datalines;
NAME        .      EX_MIP      .   .        .
ROWS        .        .         .   .        .
N           COST     .         .   .        .
G           R1       .         .   .        .
L           R2       .         .   .        .
L           R3       .         .   .        .
COLUMNS     .        .         .   .        .
.           MARK00 'MARKER'    .   'INTORG' .
.           X1     COST        2   R2       1
.           X1     R3          1   .        .
.           X2     COST       -3   R1      -2
.           X2     R2          1   R3       2
.           X3     COST       -4   R1      -3
.           X3     R2          2   R3       3
.           MARK01 'MARKER'    .   'INTEND' .
RHS         .      .           .   .        .
.           RHS    R1         -5   R2       4
.           RHS    R3          7   .        .
ENDATA      .      .           .   .        .
;

proc optmilp data = ex_mip
   objsense   = min
   primalout  = primal_out
   dualout    = dual_out
   presolver  = automatic
   heuristics = automatic;
run;