20秋学期（1709、1803、1809、1903、1909、2003、2009 ）《运筹学》在线作业

adminhan · 发表于 2020-10-29 11:48:15

nbsp;<img width="590" height="303" alt="" src="http://file.open.com.cn/ItemDB/94833/751668fc-31e8-4541-9966-cb74d4374bf9/201682913029674.jpg" />
A:A
B:B
C:C
D:D

在成本收益平衡问题中的“共性”是指
A:收益的最低可接受水平
B:单位活动的贡献
C:每周单位的活动成本
D:每种资源的可供量

针对下面的电子表格模型,单元格“I5”处的公式输入正确的是( )
A:“=D10 D12”
B:“=D13 D14”
C:“=-D11-D12”
D:“=-D7-D8 D11”

nbsp;<img width="544" height="237" alt="" src="http://file.open.com.cn/ItemDB/94833/6e13e089-4791-4c84-8987-0b8966590900/2016829125856898.jpg" />
A:A
B:B
C:C
D:D

在电子表格模型中, 有关函数VARP表述正确的是（）
A:用来求解基于给定样本的总体方差
B:用来求解两个变量的协方差
C:用来求解两个数组矩阵的乘积
D:以上说法均不正确

nbsp;<img width="591" height="444" alt="" src="http://file.open.com.cn/ItemDB/94833/182ea211-cc36-4d7d-b84e-cf390680c048/20168291321965.jpg" />
A:A
B:B
C:C
D:D

在网络问题中,给定一个带收点和发点的网络,对每一条弧(节点 ->节点 ),除了给出容量外,还给出了这条弧的单位流量的费用 ,要求一个最大流 ,并使得总运费用最小。这属于( )
A:最短路问题
B:最小费用流问题
C:最大流问题
D:最小费用最大流问题

nbsp;<img width="583" height="386" alt="" src="http://file.open.com.cn/ItemDB/94833/7c5785ed-c29b-4790-b1a3-422f2d05ee76/201682913043714.jpg" />
A:A
B:B
C:C
D:D

用图解法求线性规划问题时，要求决策变量的个数为（）
A:1
B:2
C:3
D:4

设 x1,x2,x3,x4,x5,x6分别代表大张、大李、小王、小赵、小田、小周是否被选上,其中1表示是,0表示否,在这六人中,大张和大李至少选1人的表达正确的是( )
A:x1 x2≥1;
B:x2 x3≤1;
C:x1 x3≥1;
D:x1 x2=1

nbsp;<img width="587" height="302" alt="" src="http://file.open.com.cn/ItemDB/94833/89cc5641-2d7e-4df4-83ab-1d86680f9f85/201682913110889.jpg" />
A:A
B:B
C:C
D:D

nbsp;<img width="593" height="377" alt="" src="http://file.open.com.cn/ItemDB/94833/d6fcdcf2-f572-4f60-b1b8-a6edfa64f47c/2016829125911406.jpg" />
A:A
B:B
C:C
D:D

<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">下列为目标规划的数学模型的一般结构为
A:<img width="360" height="180" alt="" src="http://file.open.com.cn/ItemDB/94833/3a1207c0-e82f-4dbb-bcf8-ae2e1b6fe235/201154114534881.png" />
B:<img width="356" height="206" alt="" src="http://file.open.com.cn/ItemDB/94833/3a1207c0-e82f-4dbb-bcf8-ae2e1b6fe235/201154114551162.png" />
C:<img width="306" height="188" alt="" src="http://file.open.com.cn/ItemDB/94833/3a1207c0-e82f-4dbb-bcf8-ae2e1b6fe235/20115411464741.png" />
D:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">以上模型均不是

nbsp;<img width="606" height="270" alt="" src="http://file.open.com.cn/ItemDB/94833/a1f9e4f8-01d1-4ac8-b92e-9ebc2075606d/201682913119830.jpg" />
A:A
B:B
C:C
D:D

nbsp;<img width="542" height="279" alt="" src="http://file.open.com.cn/ItemDB/94833/4bf9ecb4-f3c6-4d38-9717-737b5100ec90/201682913339563.jpg" />
A:A
B:B
C:C
D:D

nbsp;<img width="526" height="281" alt="" src="http://file.open.com.cn/ItemDB/94833/430de720-ab65-44b7-ba60-227bf227d90a/201682912568958.jpg" />
A:A
B:B
C:C
D:D

在电子表格模型中, 用来求解两个数组矩阵的乘积的函数是( )
A:VARP
B:SUMPRODUCT
C:COVAR
D:MMULT

nbsp;<img width="613" height="385" alt="" src="http://file.open.com.cn/ItemDB/94833/94e0a653-7a57-4e6f-bdfd-205be63ecca3/2016829125958364.jpg" />
A:A
B:B
C:C
D:D

在电子表格模型中, 有关函数COVAR表述正确的是( )
A:用来求解基于给定样本的总体方差
B:用来求解两个变量的协方差
C:用来求解两个数组矩阵的乘积
D:以上说法均不正确

在电子表格模型中, 用来求解两变量的协方差的函数是( )
A:VARP
B:SUMPRODUCT
C:COVAR
D:MMULT

nbsp;<img width="494" height="220" alt="" src="http://file.open.com.cn/ItemDB/94833/ebb183d4-427f-48d0-a0d9-c19e4dcb11e2/2016829132214739.jpg" />
A:A
B:B
C:C
D:D

将某个点的物资或信息送到另一个点，使得运送成本最小。这属于（）问题。
A:最小费用流问题
B:最大流问题
C:最短路问题
D:网络问题

通常，在使用“给单元格命名”时，一般会给（ ）有关的单元格命
名
A:公式
B:决策变量
C:目标函数
D:约束右端值

<img width="678" height="256" alt="" src="http://file.open.com.cn/ItemDB/94833/95213223-5cb0-4411-8d6a-d9aa8a734b0c/2011429161551487.png" />.
A:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">节点<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">V4<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">的净流量<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">I9<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">处应输入ldquo;<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">=SUMIF(<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">从<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">,<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">节点<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">,<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">流量<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">)-SUMIF(<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">到<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">,<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">节点<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">,<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">流量<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">)<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">rdquo;
B:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">节点<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">V5<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">的净流量<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">I9<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">处应输入ldquo;<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">=SUMIF(<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">从<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">,<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">节点<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">,<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">流量<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">)-SUMIF(<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">到<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">,<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">节点<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">,<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">流量<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">)<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">rdquo;
C:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">单元格<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">D14<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">处应输入ldquo;<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">=I<st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="4" unitname="”">4rdquo;</st1:chmetcnv>
D:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">以上说法均不正确

下面关于资源分配问题的说法正确的是（）
A:资源分配问题的模型中每一约束均为资源约束,
B:每种资源都可以表现为: 使用的资源数量 ￡可用的资源数量.
C:每种资源都可以表现为: 使用的资源数量 ≥ 可用的资源数量
D:以上说法均不正确。

<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">下列关于最小费用最大流说法正确的是
A:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">一个带收点和发点
B:<img width="293" height="31" alt="" src="http://file.open.com.cn/ItemDB/94833/b9ffa8b1-16d3-43d6-a0b7-4a3cf2bae2ab/20115510217247.png" />
C:<img width="430" height="29" alt="" src="http://file.open.com.cn/ItemDB/94833/b9ffa8b1-16d3-43d6-a0b7-4a3cf2bae2ab/20115510229935.png" />
D:<img width="317" height="23" alt="" src="http://file.open.com.cn/ItemDB/94833/b9ffa8b1-16d3-43d6-a0b7-4a3cf2bae2ab/20115510249779.png" />

<img width="398" height="233" alt="" src="http://file.open.com.cn/ItemDB/94833/9315d0b3-e4af-4f24-be71-48e8fc91b806/2011429153641489.png" />.
A:nbsp;产大于销
B:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">销大于产
C:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">供过于求
D:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">供不应求

下列属于最小费用流问题的为( )
A:运输和指派
B:转运问题
C:最大流问题
D:最短路问题

.<img width="585" height="59" alt="" src="http://file.open.com.cn/ItemDB/94833/68fe529e-e16d-43ab-9ac8-9ad479a33862/20115510015869.png" />
A:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">最小费用流问题
B:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">最大流问题
C:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">最短路问题
D:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">网络问题

nbsp;<img width="585" height="100" alt="" src="http://file.open.com.cn/ItemDB/94833/df8ff871-ad90-4613-81cb-1104216900f6/2016829132338140.jpg" />
A:A
B:B
C:C
D:D

nbsp;<img width="586" height="91" alt="" src="http://file.open.com.cn/ItemDB/94833/32e8c91c-dd07-45a7-8f05-6c83fd7089f8/2016829132626891.jpg" />
A:错误
B:正确

在电子表格模型中, 函数VARP是用来求解基于任意给定样本的总体方差。( )
A:对
B:错

线性规划模型的含义为在给定的条件限制下，求得目标函数达到最优时决策变量的取值
A:错误
B:正确

动态规划就是要在时间推移的过程中,在每个时间阶段选择适当的决策,以使整个系统达到最优。( )
A:对
B:错

在目标规划问题中，目标的优先级越低，出现偏差的可能性就越小。
A:错误
B:正确

动态规划和其他线性规划一样，都具有一个标准的数学表达式和明确定义的规则。
A:错误
B:正确

优先目标规划就是按照目标的先后顺序,逐一满足优先级较高的目标,最终得到一个满意解。( )
A:对
B:错

在一个网络图中，将某个点的物资或信息送到另一个点，怎样安排路线使得总距离或总费用最小。此问题属于最小费用流问题。
A:错误
B:正确

在EXCEL中，常用命令MMULT（array1，array2）来求解两个等规格数组矩阵的乘积。
A:错误
B:正确

在产品互斥问题中,引入辅助0-1变量,设第i种产品是否生产 ,则在n种产品中,最多只能生产k种的约束为:y1 y2 … yn≤k(k<n)。( )
A:对
B:错

在电子表格模型中，函数SUMPRODUCT是用来对相等行数和相等列数的两个单元格区域中的对应单元格分别相乘后求和。
A:错误
B:正确

整数规划与一般规划相比，其可行解为连续的，求解比较容易。
A:错误
B:正确

在非线性规划中,由于局部最优解的存在,使得非线性规划问题的求解要比线性规划问题的求解复杂得多。当求得一个最优解时,一般较容易确定该解是否为全局最优解。( )
A:对
B:错

网络配送问题的模型中一类共性约束为确定需求约束。
A:错误
B:正确

在网络配送问题中,线性规划模型的每一个函数约束均为确定需求约束,并且具有如下的形式: 提供的数量=需求的数量。( )
A:对
B:错

线性规划问题求解结果中可行域无解与目标函数的目标值不收敛是一回事。( )
A:对
B:错

在目标规划中,若对于目标约束fi(X)-di di-=gi,若要求恰好达到预定目标值,则目标函数应写为mindi 。( )
A:对
B:错

整数规划一般分为两大类: 一般整数规划和0-1整数规划，其中一般整数规划要求所有变量均为整数规划。
A:错误
B:正确

在电子表格模型中, 函数COVAR是用来求解任意规格两个变量的协方差。( )
A:对
B:错

在资源分配问题中,线性规划模型的每一个函数约束均为资源约束,并且每一种资源都可以表现为如下的形式: 使用的资源数量￡可用的资源数量。( )
A:对
B:错

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20秋学期（1709、1803、1809、1903、1909、2003、2009 ）《运筹学》在线作业

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