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下列说法正确的为( )

单选题

2021-07-17 23:37

A、<span style="mso-spacerun:'yes';font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">如果线性规划的原问题存在可行解，则其对偶问题也一定存在可行解
B、<span style="mso-spacerun:'yes';font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">如果线性规划的对偶问题无可行解，则原问题也一定无可行解 
C、<span style="mso-spacerun:'yes';font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">在互为对偶的一对原问题与对偶问题中，不管原问题是求极大或极小，原问题可行解的目标函数值都一定不超过其对偶问题可行解的目标函数 
D、如果线性规划问题原问题有无界解，那么其对偶问题必定无可行解 
A、<span style="mso-spacerun:\'yes\';font-family:宋体;mso-ascii-font-family:\'Times New Roman\';mso-hansi-font-family:\'Times New Roman\';mso-bidi-font-family:\'Times New Roman\';font-size:10.5000pt;mso-font-kerning:1.0000pt;">如果线性规划的原问题存在可行解，则其对偶问题也一定存在可行解
B、<span style="mso-spacerun:\'yes\';font-family:宋体;mso-ascii-font-family:\'Times New Roman\';mso-hansi-font-family:\'Times New Roman\';mso-bidi-font-family:\'Times New Roman\';font-size:10.5000pt;mso-font-kerning:1.0000pt;">如果线性规划的对偶问题无可行解，则原问题也一定无可行解 
C、<span style="mso-spacerun:\'yes\';font-family:宋体;mso-ascii-font-family:\'Times New Roman\';mso-hansi-font-family:\'Times New Roman\';mso-bidi-font-family:\'Times New Roman\';font-size:10.5000pt;mso-font-kerning:1.0000pt;">在互为对偶的一对原问题与对偶问题中，不管原问题是求极大或极小，原问题可行解的目标函数值都一定不超过其对偶问题可行解的目标函数

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标签：工程管理专升本运筹学 19级补考 2020年第二学期补考期末考试

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