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生产问题建模,有没有更好的方法!!!

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发表于 2004-7-20 23:39:39 | 显示全部楼层 |阅读模式
< ><FONT size=3>一机械厂用如下一些机床制造<FONT face="Times New Roman">7</FONT>种产品(<FONT face="Times New Roman">ROD1~PROD7</FONT>):<FONT face="Times New Roman">4</FONT>台磨床;<FONT face="Times New Roman">2</FONT>台立式钻床;<FONT face="Times New Roman">3</FONT>台卧式钻床;<FONT face="Times New Roman">1</FONT>台镗床,<FONT face="Times New Roman">1</FONT>台刨床。每件产品能获得一定的利润(售价减原材料费,以镑<FONT face="Times New Roman">/</FONT>件计)。利润量(镑<FONT face="Times New Roman">/</FONT>件)连同每一种工艺过程需要的加工时间(一小时计)如下表所示。表中横线表示该产品不必经过此道工序。</FONT></P>
< ><FONT face="Times New Roman"><FONT size=3> <p></p></FONT></FONT></P>
<TABLE  cellSpacing=0 cellPadding=0 border=1>

<TR >
<TD  vAlign=top width=49>
<P  align=center>产品</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">PROD1</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">PROD2</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">PROD3</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">PROD4</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">PROD5</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">PROD6</FONT></P></TD>
<TD  vAlign=top width=59>
<P  align=center><FONT face="Times New Roman">PROD7</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=49>
<P  align=center>利润</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">10</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">6</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">8</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">4</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">11</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">9</FONT></P></TD>
<TD  vAlign=top width=59>
<P  align=center><FONT face="Times New Roman">3</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=49>
<P  align=center>研磨</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">5</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">7</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">3</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">2</FONT></P></TD>
<TD  vAlign=top width=59>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">5</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=49>
<P  align=center>立钻</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">1</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">2</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">3</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">6</FONT></P></TD>
<TD  vAlign=top width=59>
<P  align=center>—</P></TD></TR>
<TR >
<TD  vAlign=top width=49>
<P  align=center>卧钻</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">2</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">8</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=59>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">6</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=49>
<P  align=center>镗孔</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">05</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">03</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">07</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">1</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=59>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">08</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=49>
<P  align=center>刨削</P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">01</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">05</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center>—</P></TD>
<TD  vAlign=top width=59>
<P  align=center><FONT face="Times New Roman">0</FONT>.<FONT face="Times New Roman">05</FONT></P></TD></TR></TABLE>
<P ><FONT face="Times New Roman"><FONT size=3> <p></p></FONT></FONT></P>
<P ><FONT size=3>当前月份(一月)和以后的五个月份中有些机床需要停车维修。这些机床是:一月份<FONT face="Times New Roman">1</FONT>台磨床;二月份<FONT face="Times New Roman">2</FONT>台卧式钻床;三月份<FONT face="Times New Roman">1</FONT>台镗床;四月份<FONT face="Times New Roman">1</FONT>台立式钻床;五月份<FONT face="Times New Roman">1</FONT>台磨床和<FONT face="Times New Roman">1</FONT>台立式钻床;六月份<FONT face="Times New Roman">1</FONT>台刨床和<FONT face="Times New Roman">1</FONT>台卧式钻床。各月份各种产品的市场销售限量如下:</FONT></P>
<P ><FONT face="Times New Roman" size=3>       </FONT></P>
<TABLE  cellSpacing=0 cellPadding=0 border=1>

<TR >
<TD  vAlign=top width=49>
<P  align=center>产品</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">PROD1</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">PROD2</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">PROD3</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">PROD4</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">PROD5</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">PROD6</FONT></P></TD>
<TD  vAlign=top width=59>
<P  align=center><FONT face="Times New Roman">PROD7</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=49>
<P  align=center>一月</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">1000</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">800</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">200</FONT></P></TD>
<TD  vAlign=top width=59>
<P  align=center><FONT face="Times New Roman">100</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=49>
<P  align=center>二月</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">600</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">200</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">400</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=59>
<P  align=center><FONT face="Times New Roman">150</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=49>
<P  align=center>三月</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">600</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">400</FONT></P></TD>
<TD  vAlign=top width=59>
<P  align=center><FONT face="Times New Roman">100</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=49>
<P  align=center>四月</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">200</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">400</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">200</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT></P></TD>
<TD  vAlign=top width=59>
<P  align=center><FONT face="Times New Roman">100</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=49>
<P  align=center>五月</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">0</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">100</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">100</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">1000</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=59>
<P  align=center><FONT face="Times New Roman">0</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=49>
<P  align=center>六月</P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">100</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">1100</FONT></P></TD>
<TD  vAlign=top width=60>
<P  align=center><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=59>
<P  align=center><FONT face="Times New Roman">60</FONT></P></TD></TR></TABLE>
<P ><FONT face="Times New Roman" size=3>       </FONT></P>
<P ><FONT size=3>每种产品一次至多存储<FONT face="Times New Roman">100</FONT>件,每月存储费为<FONT face="Times New Roman">0.5</FONT>镑<FONT face="Times New Roman">/</FONT>件。目前无存货,但希望<FONT face="Times New Roman">6</FONT>月底时每件产品应有<FONT face="Times New Roman">50</FONT>件存货。</FONT></P>
<P ><FONT size=3><FONT face="Times New Roman">              </FONT>工厂一星期工作六天,每天两个班次,每班<FONT face="Times New Roman">8</FONT>小时。</FONT></P>
<P ><FONT size=3><FONT face="Times New Roman">              </FONT>加工顺序可不必考虑。假设每月有<FONT face="Times New Roman">24</FONT>个工作日。</FONT></P>
<P ><FONT size=3><FONT face="Times New Roman">       </FONT>为使总利润最大,该厂应怎样安排产品生产时间和产品的品种?给出价格增长的建议和买进新机器的价值。</FONT></P>
 楼主| 发表于 2004-7-21 00:24:01 | 显示全部楼层
<>说明:这个模型的建立很简单 我们遇到的难题是怎样求解!!</P><p>
<  align=center>
< ><p></p></P></p>

[em01]
 楼主| 发表于 2004-7-21 03:24:02 | 显示全部楼层
<>c=-[ 10,6,8,4,11,9,3,10,6,8,4,11,9,3,10,6,8,4,11,9,3,10,6,8,4,11,9,3,10,6,8,4,11,9,3,10,6,8,4,11,9,3,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-10,-6,-8,-4,-11,-9,-3 ];</P><>A=[ 0.85,0.93,0.81,0.37,0.45,0.8,1.23,zeros(1,77);                  %jia gong lie yue su
    zeros(1,7),0.85,0.93,0.81,0.37,0.45,0.8,1.23,zeros(1,70);
    zeros(1,14),0.85,0.93,0.81,0.37,0.45,0.8,1.23,zeros(1,63);
    zeros(1,21),0.85,0.93,0.81,0.37,0.45,0.8,1.23,zeros(1,56);
    zeros(1,28),0.85,0.93,0.81,0.37,0.45,0.8,1.23,zeros(1,49);
    zeros(1,35),0.85,0.93,0.81,0.37,0.45,0.8,1.23,zeros(1,42);
   
    0.5,0.7,0,0,0.3,0.2,0.5,zeros(1,77);                       %jia gong hang yue su   ---  mo chuang
    zeros(1,7),0.5,0.7,0,0,0.3,0.2,0.5,zeros(1,70);
    zeros(1,14),0.5,0.7,0,0,0.3,0.2,0.5,zeros(1,63);
    zeros(1,21),0.5,0.7,0,0,0.3,0.2,0.5,zeros(1,56);
    zeros(1,28),0.5,0.7,0,0,0.3,0.2,0.5,zeros(1,49);
    zeros(1,35),0.5,0.7,0,0,0.3,0.2,0.5,zeros(1,42);
   
    0.1,0.2,0,0.3,0,0.6,0,zeros(1,77);                         %jia gong hang yue su   ---  li zan
    zeros(1,7),0.1,0.2,0,0.3,0,0.6,0,zeros(1,70);
    zeros(1,14),0.1,0.2,0,0.3,0,0.6,0,zeros(1,63);
    zeros(1,21),0.1,0.2,0,0.3,0,0.6,0,zeros(1,56);
    zeros(1,28),0.1,0.2,0,0.3,0,0.6,0,zeros(1,49);
    zeros(1,35),0.1,0.2,0,0.3,0,0.6,0,zeros(1,42);
   
    0.2,0,0.8,0,0,0,0.6,zeros(1,77);                           %jia gong hang yue su   ---  wo zan
    zeros(1,7),0.2,0,0.8,0,0,0,0.6,zeros(1,70);
    zeros(1,14),0.2,0,0.8,0,0,0,0.6,zeros(1,63);
    zeros(1,21),0.2,0,0.8,0,0,0,0.6,zeros(1,56);
    zeros(1,28),0.2,0,0.8,0,0,0,0.6,zeros(1,49);
    zeros(1,35),0.2,0,0.8,0,0,0,0.6,zeros(1,42);
   
    0.05,0.03,0,0.07,0.1,0,0.08,zeros(1,77);                           %jia gong hang yue su   ---  tang kong
    zeros(1,7),0.05,0.03,0,0.07,0.1,0,0.08,zeros(1,70);
    zeros(1,14),0.05,0.03,0,0.07,0.1,0,0.08,zeros(1,63);
    zeros(1,21),0.05,0.03,0,0.07,0.1,0,0.08,zeros(1,56);
    zeros(1,28),0.05,0.03,0,0.07,0.1,0,0.08,zeros(1,49);
    zeros(1,35),0.05,0.03,0,0.07,0.1,0,0.08,zeros(1,42);
   
    0,0,0.01,0,0.05,0,0.05,zeros(1,77);                           %jia gong hang yue su   ---  pao xiao
    zeros(1,7),0,0,0.01,0,0.05,0,0.05,zeros(1,70);
    zeros(1,14),0,0,0.01,0,0.05,0,0.05,zeros(1,63);
    zeros(1,21),0,0,0.01,0,0.05,0,0.05,zeros(1,56);
    zeros(1,28),0,0,0.01,0,0.05,0,0.05,zeros(1,49);
    zeros(1,35),0,0,0.01,0,0.05,0,0.05,zeros(1,42);
   
    1,zeros(1,41),-1,zeros(1,41);                                  %chan pin 1 mei yue xiao liang yu su
    zeros(1,7),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,34);
    zeros(1,14),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,27);
    zeros(1,21),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,20);
    zeros(1,28),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,13);
    zeros(1,35),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,6);
   
    0,1,zeros(1,41),-1,zeros(1,40);                                  %chan pin 2 mei yue xiao liang yu su
    zeros(1,8), 1,zeros(1,34),1,zeros(1,6),-1,zeros(1,33);
    zeros(1,15),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,26);
    zeros(1,22),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,19);
    zeros(1,29),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,12);
    zeros(1,36),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,5);
   
    0,0,1,zeros(1,41),-1,zeros(1,39);                                    %chan pin 3 mei yue xiao liang yu su
    zeros(1,9), 1,zeros(1,34),1,zeros(1,6),-1,zeros(1,32);
    zeros(1,16),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,25);
    zeros(1,23),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,18);
    zeros(1,30),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,11);
    zeros(1,37),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,4);
   
    0,0,0,1,zeros(1,41),-1,zeros(1,38);                                  %chan pin 4 mei yue xiao liang yu su
    zeros(1,10),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,31);
    zeros(1,17),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,24);
    zeros(1,24),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,17);
    zeros(1,31),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,10);
    zeros(1,38),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,3);
   
    0,0,0,0,1,zeros(1,41),-1,zeros(1,37);                                %chan pin 5 mei yue xiao liang yu su
    zeros(1,11),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,30);
    zeros(1,18),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,23);
    zeros(1,25),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,16);
    zeros(1,32),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,9);
    zeros(1,39),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,2);
   
    0,0,0,0,0,1,zeros(1,41),-1,zeros(1,36);                                  %chan pin 6 mei yue xiao liang yu su
    zeros(1,12),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,29);
    zeros(1,19),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,22);
    zeros(1,26),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,15);
    zeros(1,33),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,8);
    zeros(1,40),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,1);
   
    0,0,0,0,0,0,1,zeros(1,41),-1,zeros(1,35);                                  %chan pin 7 mei yue xiao liang yu su
    zeros(1,13),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,28);
    zeros(1,20),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,21);
    zeros(1,27),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,14);
    zeros(1,34),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,7);
    zeros(1,41),1,zeros(1,34),1,zeros(1,6),-1,zeros(1,0);
   
    zeros(1,42),1,zeros(1,41);                                               %chun chu liang yue su
    zeros(1,43),1,zeros(1,40);
    zeros(1,44),1,zeros(1,39);
    zeros(1,45),1,zeros(1,38);
    zeros(1,46),1,zeros(1,37);
    zeros(1,47),1,zeros(1,36);
    zeros(1,48),1,zeros(1,35);
   
    zeros(1,49),1,zeros(1,34);
    zeros(1,50),1,zeros(1,33);
    zeros(1,51),1,zeros(1,32);
    zeros(1,52),1,zeros(1,31);
    zeros(1,53),1,zeros(1,30);
    zeros(1,54),1,zeros(1,29);
    zeros(1,55),1,zeros(1,28);
   
    zeros(1,56),1,zeros(1,27);
    zeros(1,57),1,zeros(1,26);
    zeros(1,58),1,zeros(1,25);
    zeros(1,59),1,zeros(1,24);
    zeros(1,60),1,zeros(1,23);
    zeros(1,61),1,zeros(1,22);
    zeros(1,62),1,zeros(1,21);
   
    zeros(1,63),1,zeros(1,20);                                               
    zeros(1,64),1,zeros(1,19);
    zeros(1,65),1,zeros(1,18);
    zeros(1,66),1,zeros(1,17);
    zeros(1,67),1,zeros(1,16);
    zeros(1,68),1,zeros(1,15);
    zeros(1,69),1,zeros(1,14);
   
    zeros(1,70),1,zeros(1,13);
    zeros(1,71),1,zeros(1,12);
    zeros(1,72),1,zeros(1,11);
    zeros(1,73),1,zeros(1,10);
    zeros(1,74),1,zeros(1,9);
    zeros(1,75),1,zeros(1,8);
    zeros(1,76),1,zeros(1,7);  
];</P><>Aeq=[zeros(1,77),1,zeros(1,6);                                                   % s16---s76        
    zeros(1,78),1,zeros(1,5);
    zeros(1,79),1,zeros(1,4);
    zeros(1,80),1,zeros(1,3);
    zeros(1,81),1,zeros(1,2);
    zeros(1,82),1,zeros(1,1);
    zeros(1,83),1];</P><P>b=[ 3840;3456;3840;3840;3456;3456;  1152;1536;1536;1536;1152;1536;  768;768;768;384;384;768;  1152;384;1152;1152;1152;768;  384;384;0;384;384;384;  384;384;384;384;384;0;  500;600;300;200;0;500;  1000;500;600;300;100;500;  300;200;0;400;500;100;  300;0;0;500;100;300;
    800;400;500;200;1000;1100;  200;300;400;0;300;500;  100;150;100;100;0;60;  100;100;100;100;100;100;100;  100;100;100;100;100;100;100;  100;100;100;100;100;100;100;  100;100;100;100;100;100;100;  100;100;100;100;100;100;100 ] ;</P><P>beq=[50;50;50;50;50;50;50];</P><P>vlb=zeros(1,77);</P><P>vub=[];</P><P>[x,fval,exitflag,output,lambda] =linprog(c,A,b,Aeq,beq,vlb,vub)
</P>
发表于 2004-7-22 07:56:42 | 显示全部楼层
<>的确哦!这么多数据,看起来都麻头哦!我正在做食品加工的问题,数据也N多,都怕了,感觉就应该是这种思路了,没想到什么更好更简单的办法了!</P>[em03]
 楼主| 发表于 2004-7-27 18:47:17 | 显示全部楼层
<>也可以用到lingo解决</P>
发表于 2004-7-28 00:41:01 | 显示全部楼层
用LINGO也差不多吧,还不是有那么多限制条件,程序一样的长啊,也繁.....................[em03]
发表于 2004-7-29 00:36:42 | 显示全部楼层
<>5楼的,我想问你一个问题,我刚刚接触LINGO,不大懂LINGO,</P><>我想问一下,LINGO里是不是可以直接输入求和符号呀,而不用去一个一个输入加式??</P>[em03][em04]
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