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    <title>数学建模社区-数学中国 - LINDO\LINGO论坛</title>
    <link>http://www.madio.net/forum-655-1.html</link>
    <description>Latest 20 threads of LINDO\LINGO论坛</description>
    <copyright>Copyright(C) 数学建模社区-数学中国</copyright>
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    <lastBuildDate>Sun, 11 Oct 2026 01:21:22 +0000</lastBuildDate>
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      <title>数学建模社区-数学中国</title>
      <link>http://www.madio.net/</link>
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    <item>
      <title>为什么LINGO的精度偏差大</title>
      <link>http://www.madio.net/thread-506004-1-1.html</link>
      <description><![CDATA[min=(y*b-x*a)^2+y^2*c^2+(b+(1-z)*(a-b)-x*a)^2+z^2*c^2+(b+(1-z)*(a-b)-y*b)^2+(z*c-y*c)^2;
a=16;b=14;c=12;



  LINGO/WIN64 21.0.33 (29 May 2024), LINDO API 15.0.6099.171

  Licensee info: Eval Use Only
  License expires:  6 APR 2025

  Globa ...]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>82197982</author>
      <pubDate>Thu, 31 Oct 2024 06:49:35 +0000</pubDate>
    </item>
    <item>
      <title>萌新lingo编程出现了一些错误 请教大佬们教教</title>
      <link>http://www.madio.net/thread-500932-1-1.html</link>
      <description><![CDATA[这是我的lingo代码
Sets:    i / 1*9 /    j / 1*9 /Parameters:    t(i) / 1 9, 2 7, 3 10, 4 11, 5 6, 6 12, 7 7, 8 8, 9 14 /    c(i) / 1 200, 2 140, 3 100, 4 135, 5 110, 6 120, 7 90, 8 130, 9 145 /    t_ij(i ...]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>1219082156</author>
<enclosure url="http://www.madio.net/http://www.madio.net/data/attachment/forum/202404/12/110044qtrt1i1zer6irimi.png" length="147633" type="image/jpeg" />      <pubDate>Fri, 12 Apr 2024 03:01:03 +0000</pubDate>
    </item>
    <item>
      <title>请教lingo模型出现“Model is ill defined”问题</title>
      <link>http://www.madio.net/thread-500549-1-1.html</link>
      <description><![CDATA[我其他部分都能正常运行，只有“!同一条生产线上的模具尺寸之差不能大于10”这句下面那条语句会被报错。而且注意到我的DATA段中的那条输出语句使用的是与出错语句同样的内容，也就是说同样一个量，可以正常输出，但是无法在程序过程中进行约束
MODEL: 
SETS: 
route: ...]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>22486856</author>
      <pubDate>Tue, 05 Mar 2024 08:58:32 +0000</pubDate>
    </item>
    <item>
      <title>lingo的集合矩阵太大，使代码无法运行怎么解决？</title>
      <link>http://www.madio.net/thread-497673-1-1.html</link>
      <description><![CDATA[编写lingo代码的时候遇到如下情况：
代码：
sets:
II/1..644/:;
JJ/1..3342/:y,c;
T(II,JJ):d,x;
endsets

运行结果：


怎么解决？]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>胡洪瑞</author>
      <pubDate>Thu, 24 Aug 2023 02:12:16 +0000</pubDate>
    </item>
    <item>
      <title>lingo中想要用ole函数导入4个2维的数据表来表示一个4维的变量该怎么操作</title>
      <link>http://www.madio.net/thread-494406-1-1.html</link>
      <description><![CDATA[对于一个被定义的量b（k,i,j,t）  k表示船舶   已知4个数据表，分别表示船舶1-4的ij港与时刻t之间的关系，现在该如何使用ole函数将这4个表的数据导入到lingo中来表示这个b]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>895025266</author>
      <pubDate>Sun, 23 Apr 2023 09:46:17 +0000</pubDate>
    </item>
    <item>
      <title>求问Lingo错误29</title>
      <link>http://www.madio.net/thread-493959-1-1.html</link>
      <description><![CDATA[以下是旅游线路规划模型求解代码
sets:
jingdian/1..16/:c,t;
其中：1,2,...,16表示西安火车站、秦始皇陵兵马俑、华清池、半坡遗址、骊山风景区、陕西省历史
博物馆、大唐芙蓉园、曲江海洋馆、西安古城墙、大雁塔广场、钟鼓楼、曲江寒窑遗址公园、大唐不夜
城、回民 ...]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>1255684595</author>
      <pubDate>Thu, 02 Mar 2023 12:22:59 +0000</pubDate>
    </item>
    <item>
      <title>求助，错误50，显示for函数使用错误</title>
      <link>http://www.madio.net/thread-492932-1-1.html</link>
      <description><![CDATA[MODEL:
sets:
steel/1..7/:s,P,k;
site/1..15/:R,L,D;
link(steel,site):T,H,G;
endsets

data:
s=800 800 1000 2000 2000 2000 3000;
D=104 301 750 606 194 205 201 680 480 300 220 210 420 500 0;
P=160 155 155 160 155 150 160;
mean=@ole(\'C:\\Users\\A .]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>1060498460</author>
      <pubDate>Thu, 05 Jan 2023 11:24:42 +0000</pubDate>
    </item>
    <item>
      <title>lingo嵌套for的分段函数求解答！！！！</title>
      <link>http://www.madio.net/thread-492906-1-1.html</link>
      <description><![CDATA[sets:
index/1..15/E,alpha,beta,rho;
index2/1..16/,phi;
endsets 
data:
pi=3.141592653589;
l1=1;
l4=4;
enddata
min=@sum(index(i)PE(i)-P(i))^2);
l2=x2;
l3=x3;
@for(index(i)if((phi(i))#le#pi,
    P(i)=pi-alpha(i)-beta(i),
    P(i)=p ...]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>3325760473</author>
      <pubDate>Fri, 23 Dec 2022 13:57:44 +0000</pubDate>
    </item>
    <item>
      <title>lingo新手遇到一些，请求大神相助，必有感谢！！！</title>
      <link>http://www.madio.net/thread-486067-1-1.html</link>
      <description><![CDATA[Improper number of index variables . 不正确的索引变量数。这个问题该怎么解决呢？求教各位大神！！！]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>沈宁</author>
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    </item>
    <item>
      <title>新手研究生求教大神lingo问题！！！</title>
      <link>http://www.madio.net/thread-486066-1-1.html</link>
      <description><![CDATA[请问下这个问题该怎么解答呢   求教大神！]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>沈宁</author>
      <pubDate>Tue, 12 Apr 2022 04:23:09 +0000</pubDate>
    </item>
    <item>
      <title>请教下大佬下图的两个约束在lingo中如何编写？</title>
      <link>http://www.madio.net/thread-486042-1-1.html</link>
      <description><![CDATA[希望有大佬帮忙解答一下！！！感激不尽！！！]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>沈宁</author>
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    </item>
    <item>
      <title>Lingo11使用教程</title>
      <link>http://www.madio.net/thread-485177-1-1.html</link>
      <description><![CDATA[信息与计算科学教研室的仇海全的教程，PPT版的可以直接用来当素材，也可以用来当学习工具。从安装到补丁再到如何使用，全方位让你学会。]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>普大帝</author>
      <pubDate>Thu, 03 Mar 2022 08:15:51 +0000</pubDate>
    </item>
    <item>
      <title>lingo求运费最小问题，运行结果显示无可行解但应该是有可行解的，不知道问题出在哪</title>
      <link>http://www.madio.net/thread-481521-1-1.html</link>
      <description><![CDATA[运行代码：
model:
sets:
vegetable/1..18/:s1,s2,s3,s4;
market/1..8/;
link(vegetable,market):x,y,z,w,t1,t2,t3,t4,d;
endsets
data:
t1=
8.5]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>2690230025</author>
<enclosure url="/forum/8.6" length="8.3" type="image/jpeg" />      <pubDate>Sat, 13 Nov 2021 06:17:21 +0000</pubDate>
    </item>
    <item>
      <title>错误81和92，希望哪位大神有类似情况，给个查错方向，谢谢！！</title>
      <link>http://www.madio.net/thread-473833-1-1.html</link>
      <description><![CDATA[model:
sets:
w/1..4/:ETi,LTi,q,t3;!第1个是配送中心，2-3是客户，有2个，4是充电站,1个、需求量;
truck/1..2/;!假设的三辆车、最大载重，最大电量;
link(w,w):d;!两点间的距离;
link1(w,w,truck):x;!0-1决策变量;
link2(w,truck):y;!0-1变量，k车是否服务于i点; ...]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>lj151019</author>
      <pubDate>Thu, 18 Mar 2021 07:33:45 +0000</pubDate>
    </item>
    <item>
      <title>错误代码161</title>
      <link>http://www.madio.net/thread-473591-1-1.html</link>
      <description><![CDATA[model:
sets:
weizhishu/1..24/:a,b,c,d,e,f,g,z,k,l,m,n,soe;
endsets
sets:
demand/1..24/:h,cool,xiadian,ddian,price;
endsets
data:
h=@ole(D:\\tongzhou4.xlsx,h);
cool=@ole(D:\\tongzhou4.xlsx,cool);
price=@ole(D:\\tongzhou4.xlsx,price);
xiadian=@ .]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>京西路亚王</author>
      <pubDate>Tue, 23 Feb 2021 08:27:58 +0000</pubDate>
    </item>
    <item>
      <title>优化模型代码问题，大佬帮k\'k</title>
      <link>http://www.madio.net/thread-472404-1-1.html</link>
      <description><![CDATA[题目在此：


[math]model:
sets:
fact/1..7/ : x,t,w,y,n;
endsets

data:
 !i = 1,2,3,4,5,6,7;
 !n = 8+7+9+6+6+4+8; 
n = 8,7,9,6,6,4,8;
t = 48.7,52.0,61.3,72.0,48.7,52.0,64.0;
w = 2000,3000,1000 ...]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>Irving2</author>
<enclosure url="http://www.madio.net/http://www.madio.net/data/attachment/forum/202101/05/152230oxtewizaatararqt.png" length="179110" type="image/jpeg" />      <pubDate>Tue, 05 Jan 2021 07:27:42 +0000</pubDate>
    </item>
    <item>
      <title>lingo</title>
      <link>http://www.madio.net/thread-469229-1-1.html</link>
      <description><![CDATA[lingo 破解版 欢迎下载]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>qqqqq54197</author>
      <pubDate>Mon, 23 Nov 2020 03:42:03 +0000</pubDate>
    </item>
    <item>
      <title>请高手帮忙解决lingo问题</title>
      <link>http://www.madio.net/thread-468548-1-1.html</link>
      <description><![CDATA[]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>buct</author>
      <pubDate>Tue, 22 Sep 2020 01:29:24 +0000</pubDate>
    </item>
    <item>
      <title>LINGO线性规划及其灵敏度分析</title>
      <link>http://www.madio.net/thread-468141-1-1.html</link>
      <description><![CDATA[LINGO线性规划及其灵敏度分析]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>杨利霞</author>
      <pubDate>Tue, 01 Sep 2020 04:00:56 +0000</pubDate>
    </item>
    <item>
      <title>lingo软件资料</title>
      <link>http://www.madio.net/thread-467083-1-1.html</link>
      <description><![CDATA[lingo软件资料]]></description>
      <category>LINDO\\LINGO论坛</category>
      <author>杨利霞</author>
      <pubDate>Sun, 14 Jun 2020 09:15:53 +0000</pubDate>
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