exam0804c.ltx

是一种多输出多输入的程序

 MIN 3DPLUS3 + 3DMINUS3 + DPLUS4
 SUBJECT TO
     2X1 +   2X2                    <= 12
   200X1 + 300X2 - DPLUS1 + DMINUS1 =  1500
     2X1 -    X2 - DPLUS2 + DMINUS2 =  0
     4X1         - DPLUS3 + DMINUS3 =  16
             5X2 - DPLUS4 + DMINUS4 =  15
                            DMINUS1 =  0
                   DPLUS2 + DMINUS2 =  0
 END