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【单选题】
在用单纯形法求解线性规划问题时,下列说法错误的是A.
如果在单纯形表中,所有检验数都非正,则对应的基本可行解就是最优解
B.
如果在单纯形表中,某一检验数大于零,而且对应变量所在列中没有正数,则线性规划问题没有最优解
C.
利用单纯形表进行迭代,我们一定可以求出线性规划问题的最优解或是判断线性规划问题无最优解
D.
如果在单纯形表中,某一检验数大于零,则线性规划问题没有最优解
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