声振论坛

 找回密码
 我要加入

QQ登录

只需一步,快速开始

查看: 2030|回复: 3

[1stopt] 急向高手请教一线性规划问题

[复制链接]
发表于 2008-9-22 21:09 | 显示全部楼层 |阅读模式

马上注册,结交更多好友,享用更多功能,让你轻松玩转社区。

您需要 登录 才可以下载或查看,没有账号?我要加入

x
大家好!由于毕业论文需要用到一多元线性规划问题,下面的程序用1STOPT1.5可以运行,但得不到正确的解。恳求dingd主任及其他高手赐教!急。。。。谢谢!菜鸟上。
Constant
A(1:30)=[0.3708,0.2587,0.3091,0.3770,0.2557,0.2854,0.2727,0.2795,0.2697,0.2755,0.3209,0.2561,0.1651,0.2685,0.0710,0.2710,0.2510,0.3054,0.2690,0.2431,0.2582,0.2796,0.2763,0.2437,0.2571,0.2119,0.2636,0.2804,0.3216,0.4519];
Constant
B(1:30)=[0.7441,0.1908,0.3121,0.3100,0.3904,0.1013,0.0891,0.2759,0.0742,0.7759,0.1940,0.1289,1.3394,1.4505,0.6534,0.4316,0.2150,1.8177,1.7159,1.0255,0.3092,0.1661,0.1968,0.1430,0.0930,0.0563,0.0712,0.5637,0.9781,1.1058];
Constant
C(1:30)=[19.644,21.689,25.817,30.491,26.506,5.486,10.230,8.575,0.870,161.38,1.667,1.073,40.857,55.956,50.553,7.318,1.537,14.310,40.926,16.527,5.408,4.413,4.131,6.193,1.529,1.366,9.60,2.009,490.11,207.24];
Constant
D(1:30)=[0.5965,0.4954,0.5093,0.5637,0.3518,0.4354,0.1516,0.3130,0.6243,0.4581,0.5151,0.7145,0.8498,0.8726,0.8730,0.8274,0.6177,0.6624,0.8799,0.8311,0.3619,0.6064,0.7667,0.5875,0.4915,0.7456,0.8044,0.5749,0.7126,0.1464];
Constant
E(1:30)=[36.971,24.352,21.267,16.212,29.563,19.065,15.835,18.330,3.673,117.60,4.255,4.566,5.832,31.856,27.653,4.856,3.636,8.998,12.269,8.454,6.388,5.040,4.229,3.457,2.092,2.640,2.978,5.802,39.302,134.60];
Constant
F(1:30)=[0.0017,0.0082,0.0058,0.0094,0.0034,0.0004,0.0028,0.0023,0.0001,0.0487,0.0002,0.0001,0.0009,0.0047,0.0059,0.0005,0.0002,0.0007,0.0012,0.0006,0.0003,0.0002,0.0003,0.0005,0.0001,0.0001,0.0007,0.0002,0.0010,0.0033];
Constant
G(1:30)=[0.4950,0.1635,0.2859,0.3909,0.2540,0.0321,0.0670,0.2397,0.0267,1.0853,0.0115,0.0210,0.7801,0.8326,0.5767,0.2149,0.0247,1.7927,0.8215,1.1323,0.0409,0.0536,0.0567,0.0282,0.0224,0.0075,0.0540,0.0236,7.8313,0.0846];
Constant
H(1:30)=[2.908,0.424,0.079,0.194,0.134,0.020,0.000,0.055,0.000,0.192,0.000,0.000,0.442,0.428,0.038,0.000,0.000,1.838,0.694,0.504,0.031,0.113,0.181,0.025,0.007,0.000,0.000,0.000,0.275,0.000];
Constant
I(1:30)=[0.006094,0.004926,0.002922,0.006672,0.001887,0.000262,0.000808,0.005097,0.000218,0.010922,0.000184,0.000286,0.009784,0.006877,0.003541,0.001533,0.000168,0.025378,0.005921,0.00611,0.000507,0.000745,0.000521,0.000762,0.000121,0.000104,0.000293,0.000191,0.044437,0.000788];
Constant
J(1:30)=[0.0980,0.0310,0.0486,0.0446,0.0655,0.1032,0.0881,0.0787,0.0722,0.0506,0.0728,0.1040,0.0086,0.0317,0.0217,0.0533,0.0555,0.0844,0.0179,0.0236,0.0551,0.0514,0.0532,0.0298,0.0370,0.0193,0.0473,0.0940,0.0187,0.0990];
Parameters x(1:30)[0,];
MaxFunction sum(i=1:30)(x*A);
sum(i=1:30)(x*B)<=1503800*0.85;
sum(i=1:30)(x*C)<=77729400*0.84;
sum(i=1:30)(x*E)<=68117000*0.70;
sum(i=1:30)(x*F)<=6174.17*0.75;
sum(i=1:30)(x*G)<=8647.14*0.85;
sum(i=1:30)(x*H)<=2600*0.87;
sum(i=1:30)(x*I)<=6503.75*0.88;
sum(i=1:30)(x*J)<=70000*0.85;
回复
分享到:

使用道具 举报

发表于 2008-9-22 22:49 | 显示全部楼层
估计你的版本太老了:

算法:单纯形线性规划法
该线性规划的最大(Max)为:207663.949488004

参数最优解为:
  x1: 0
    x2: 0
    x3: 0
    x4: 0
    x5: 0
    x6: 0
    x7: 0
    x8: 0
    x9: 0
    x10: 0
    x11: 0
    x12: 0
    x13: 0
    x14: 0
    x15: 0
    x16: 0
    x17: 0
    x18: 0
    x19: 0
    x20: 0
    x21: 0
    x22: 0
    x23: 0
    x24: 0
    x25: 0
    x26: 980009.200037771
    x27: 0
    x28: 0
    x29: 0
    x30: 0
 楼主| 发表于 2008-9-23 17:26 | 显示全部楼层

怎么购买最新版本1STOPT2.5啊?

谢谢dingd主任!
软件公司的主页打不开,还有什么方式购买软件呢?dingd主任你应该有2.5版本的吧?请问多少钱呢?急啊。。。另外,假如用lingo做这么多变量的线性规划,编程方便吗?还没接触过lingo.
发表于 2008-9-23 22:57 | 显示全部楼层

Lingo实现

Lingo实现:
---------------
model:
sets:
Data1/1..30/: X, A, B, C, D, E, F, G, H, II, JJ;
endsets

data:
A=0.3708,0.2587,0.3091,0.3770,0.2557,0.2854,0.2727,0.2795,0.2697,0.2755,0.3209,0.2561,0.1651,0.2685,0.0710,0.2710,0.2510,0.3054,0.2690,0.2431,0.2582,0.2796,0.2763,0.2437,0.2571,0.2119,0.2636,0.2804,0.3216,0.4519;
B=0.7441,0.1908,0.3121,0.3100,0.3904,0.1013,0.0891,0.2759,0.0742,0.7759,0.1940,0.1289,1.3394,1.4505,0.6534,0.4316,0.2150,1.8177,1.7159,1.0255,0.3092,0.1661,0.1968,0.1430,0.0930,0.0563,0.0712,0.5637,0.9781,1.1058;
C=19.644,21.689,25.817,30.491,26.506,5.486,10.230,8.575,0.870,161.38,1.667,1.073,40.857,55.956,50.553,7.318,1.537,14.310,40.926,16.527,5.408,4.413,4.131,6.193,1.529,1.366,9.60,2.009,490.11,207.24;
D=0.5965,0.4954,0.5093,0.5637,0.3518,0.4354,0.1516,0.3130,0.6243,0.4581,0.5151,0.7145,0.8498,0.8726,0.8730,0.8274,0.6177,0.6624,0.8799,0.8311,0.3619,0.6064,0.7667,0.5875,0.4915,0.7456,0.8044,0.5749,0.7126,0.1464;
E=36.971,24.352,21.267,16.212,29.563,19.065,15.835,18.330,3.673,117.60,4.255,4.566,5.832,31.856,27.653,4.856,3.636,8.998,12.269,8.454,6.388,5.040,4.229,3.457,2.092,2.640,2.978,5.802,39.302,134.60;
F=
0.0017,0.0082,0.0058,0.0094,0.0034,0.0004,0.0028,0.0023,0.0001,0.0487,0.0002,0.0001,0.0009,0.0047,0.0059,0.0005,0.0002,0.0007,0.0012,0.0006,0.0003,0.0002,0.0003,0.0005,0.0001,0.0001,0.0007,0.0002,0.0010,0.0033;
G=
0.4950,0.1635,0.2859,0.3909,0.2540,0.0321,0.0670,0.2397,0.0267,1.0853,0.0115,0.0210,0.7801,0.8326,0.5767,0.2149,0.0247,1.7927,0.8215,1.1323,0.0409,0.0536,0.0567,0.0282,0.0224,0.0075,0.0540,0.0236,7.8313,0.0846;
H=
2.908,0.424,0.079,0.194,0.134,0.020,0.000,0.055,0.000,0.192,0.000,0.000,0.442,0.428,0.038,0.000,0.000,1.838,0.694,0.504,0.031,0.113,0.181,0.025,0.007,0.000,0.000,0.000,0.275,0.000;
II=
0.006094,0.004926,0.002922,0.006672,0.001887,0.000262,0.000808,0.005097,0.000218,0.010922,0.000184,0.000286,0.009784,0.006877,0.003541,0.001533,0.000168,0.025378,0.005921,0.00611,0.000507,0.000745,0.000521,0.000762,0.000121,0.000104,0.000293,0.000191,0.044437,0.000788;
JJ=
0.0980,0.0310,0.0486,0.0446,0.0655,0.1032,0.0881,0.0787,0.0722,0.0506,0.0728,0.1040,0.0086,0.0317,0.0217,0.0533,0.0555,0.0844,0.0179,0.0236,0.0551,0.0514,0.0532,0.0298,0.0370,0.0193,0.0473,0.0940,0.0187,0.0990;
enddata
max=@sum(Data1:X*A);
@sum(Data1:X*B)<1503800*0.85;
@sum(Data1:X*C)<77729400*0.84;
@sum(Data1:X*E)<68117000*0.70;
@sum(Data1:X*F)<6174.17*0.75;
@sum(Data1:X*G)<8647.14*0.85;
@sum(Data1:X*H)<2600*0.87;
@sum(Data1:X*II)<6503.75*0.88;
@sum(Data1:X*JJ)<70000*0.85;
-----------------------------------------
求解结果:

------------------------------------------
Global optimal solution found.
   Objective value:                              207663.9
   Total solver iterations:                             1


                       Variable           Value        Reduced Cost
                          X( 1)        0.000000            13.61460
                          X( 2)        0.000000            4.360720
                          X( 3)        0.000000            7.768528
                          X( 4)        0.000000            10.66723
                          X( 5)        0.000000            6.920647
                          X( 6)        0.000000           0.6215320
                          X( 7)        0.000000            1.620273
                          X( 8)        0.000000            6.492824
                          X( 9)        0.000000           0.4846640
                         X( 10)        0.000000            30.38784
                         X( 11)        0.000000           0.4013333E-02
                         X( 12)        0.000000           0.3372200
                         X( 13)        0.000000            21.87533
                         X( 14)        0.000000            23.25523
                         X( 15)        0.000000            16.22270
                         X( 16)        0.000000            5.800641
                         X( 17)        0.000000           0.4468573
                         X( 18)        0.000000            50.34435
                         X( 19)        0.000000            22.94111
                         X( 20)        0.000000            31.74815
                         X( 21)        0.000000           0.8973613
                         X( 22)        0.000000            1.234779
                         X( 23)        0.000000            1.325664
                         X( 24)        0.000000           0.5530440
                         X( 25)        0.000000           0.3757747
                         X( 26)        980009.2            0.000000
                         X( 27)        0.000000            1.262080
                         X( 28)        0.000000           0.3863787
                         X( 29)        0.000000            220.9387
                         X( 30)        0.000000            1.938332
----------------------------------------------------------------------


用Lingo得到的结果相同, 如果将B到J的数据做成矩阵, 将更简单了.

评分

1

查看全部评分

您需要登录后才可以回帖 登录 | 我要加入

本版积分规则

QQ|小黑屋|Archiver|手机版|联系我们|声振论坛

GMT+8, 2024-11-24 19:37 , Processed in 0.053072 second(s), 19 queries , Gzip On.

Powered by Discuz! X3.4

Copyright © 2001-2021, Tencent Cloud.

快速回复 返回顶部 返回列表