【判断题】【消耗次数:1】
线性规划模型中增加一个约束条件,可行域的范围一般将缩小,减少一个约束条件,可行域范围一般将扩大
正确
错误
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相关题目
【单选题】 线性规划模型中增加一个约束条件,可行域的范围一般将?
①  增大
②  缩小
③  不变
④  不定
【单选题】 设线性规划的约束条件为则可行解为()。
①  (0,0,4,3)
②  (1,1,1,0)
③  (3,4,0,0)
④  (3,0,4,0)
【判断题】 线性规划问题无可行解是由于缺少约束条件所致
①  正确
②  错误
【单选题】 设线性规划的约束条件为则基本可行解为()。
①  (0,0,4,3)
②  (3,4,0,0)
③  (2,0,1,0)
④  (3,0,4,0)
【判断题】 满足线性规划问题所有约束条件的解称为基本可行解
①  正确
②  错误
【单选题】 线性规划可行域的顶点一定是()。
①  基本可行解
②  非基本解
③  非可行解
④  最优解
【判断题】 如果线性规划问题问题存在最优解,则最优解一定对应可行域边界上的一个点
①  正确
②  错误
【判断题】 当目标规划问题模型存在的约束条件,则该约束为系统约束.
①  正确
②  错误
【判断题】 线性规划的可行域是凸集.
①  正确
②  错误
【判断题】 线性规划的基可行解对应于可行域的极点
①  正确
②  错误
随机题目
【单选题】 As to Romanticism, which of the following statements is not right?
①  Romantic poetry is written according to fixed rules.
②  The Romanticists would return to the humble people and the common everyday life for the subjects.
③  The Romanticists not only extol the faculty of imagination, but also elevate the concepts of spontaneity and inspiration.
④  In order to achieve the effect of the individual vision, the medieval or renaissance world were particularly favored by the Romantics.
【单选题】 “My hearts in the Highlands, my heart is not here, /My hearts in the Highlands a-chasing the deer/ A-chasing the wild deer, and following the roe; / My hearts in the Highlands, wherever I go. /Farewell to the Highlands, farewell to the North / The birth place of Valour, the country of Worth; / Wherever I wander, wherever I rove, / The hills of the Highlands for ever I love” rhymes :
①  aabbccdd
②  ababcdcd
③  aabbccde
④  aabbaabb
【单选题】 What makes Jane Eyre one of the most popular and important novels of the Victorian Age are the followings except_____.
①  it is noted for its sharp criticism of the existing society
②  it is an intense moral fable
③  it is the first introduction to the English novel the first governess heroine
④  Jane Eyre is too timid to love her master Rochester.
【单选题】 “If winter comes, can spring be far behind?” This is written by ______, one of the leading Romantic poets.
①  John Keats
②  William Wordsworth
③  Percy Bysshe Shelley
④  William Blake
【单选题】 William Wordsworth, a romantic poet, advocated all the following EXCEPT _______.
①  the use of everyday language spoken by the common people
②  the use of humble and rustic life as subject matter
③  the use of elegant wording and inflated figures of speech
④  the expression of the spontaneous overflow of powerful feelings
【单选题】 “Do you think, because I am poor, obscure, plain, and little, I am soulless and heartless? You think wrong!—I have as much soul as you,—and full as much heart! And if God had gifted me with some beauty and much wealth, I should have made it as hard for you to leave me, as it is now for me to leave you. ” This passage is taken from ________.
①  Emma
②  Wuthering Heights
③  Jane Eyre
④  Pride and Prejudice
【单选题】 John Keats’ famous poem______expresses the contrast between the happy world of natural loveliness and human world of agony.
①  “Endymion”
②  “Ode to a Nightingale”
③  “Ode on a Grecian Urn”
④  “Ode to Psyche”
【单选题】 As to Romanticism, which of the following statements is not right?
①  Romantic poetry is written according to fixed rules.
②  The Romanticists would return to the humble people and the common everyday life for the subjects.
③  The Romanticists not only extol the faculty of imagination, but also elevate the concepts of spontaneity and inspiration.
④  In order to achieve the effect of the individual vision, the medieval or renaissance world were particularly favored by the Romantics
【单选题】 In Tess of the D’Urbervilles, Tess, ______, is at odds with the world of cruelty and inequality.
①  a simple, innocent and faithful country girl
②  a cunning, strong minded and passionate girl
③  a beautiful, natural but mysterious country girl
④  both A and B
【判断题】 Beowulf, the oldest great long poem ever written in English, is composed in a form of epics.
①  正确
②  错误