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34、设A是 INCLUDEPICTURE \d "http://mooc1-2.chaoxing.com/ananas/latex/p/111984" \* MERGEFORMATINET 矩阵,如果 INCLUDEPICTURE \d "http://mooc1-2.chaoxing.com/ananas/latex/p/312248" \* MERGEFORMATINET ,则( )
(1.0)

A、  INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/22036fe43827ed0db23d177e31c3a2b4.png" \* MERGEFORMATINET

B、  INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/b2438085c7f52fc89bd82d931934be3d.png" \* MERGEFORMATINET

C、  INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/5bfacced11915d1e48dda63d54b5fc24.png" \* MERGEFORMATINET

D、  INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/33a779319651bcd1abbd76889f388a9f.png" \* MERGEFORMATINET

答案:C

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数学套题期末4第四套
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36、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/0834f7382644e447e6af07a60bfc4475.png" \* MERGEFORMATINET
(1.0)
https://www.shititong.cn/cha-kan/shiti/0005b877-74f2-4230-c0ce-60519723ce00.html
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0.096
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-8668-c0ce-60519723ce01.html
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15、设n阶矩阵满足ABC=E,则有( )
(1.0)
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22、向量 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/73357b760f571c259794ef21e9f7b9ef.png" \* MERGEFORMATINET 先逆时针旋转 INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/29250" \* MERGEFORMATINET ,再顺时针旋转 INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/463231" \* MERGEFORMATINET 得到的向量为( )
(1.0)
https://www.shititong.cn/cha-kan/shiti/0005b877-74f1-6b58-c0ce-60519723ce00.html
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15、设有一个连通网络如图所示。试采用prim算法从顶点0开始构造最小生成树。( )( )
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-9220-c0ce-60519723ce00.html
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2
第8空:
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-99f0-c0ce-60519723ce06.html
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0.05
第2空:
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-8668-c0ce-60519723ce00.html
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1、在矩阵 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/7716538e2461f2f5b62c9fa4945afa80.png" \* MERGEFORMATINET 变换下,点A( )将会转换成____ INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/47d4e5845baa911d09c667e915fde116.png" \* MERGEFORMATINET ________
( )
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-5f58-c0ce-60519723ce00.html
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73、据既往经验,注射破伤风抗毒素异常发生率为5‰,某医院一年接种600人次,无1例发生异常,该情况发生的可能性P(X=0)应等于 ( )。
(1.0)
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-4018-c0ce-60519723ce01.html
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44、假设A地有2万人口,B地有3万人口,C地有5万人口,他们按如图方式在城市间迁移,三地人口总数不变。
https://www.shititong.cn/cha-kan/shiti/0005b877-74f2-9438-c0ce-60519723ce00.html
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数学套题期末4第四套

34、设A是 INCLUDEPICTURE \d "http://mooc1-2.chaoxing.com/ananas/latex/p/111984" \* MERGEFORMATINET 矩阵,如果 INCLUDEPICTURE \d "http://mooc1-2.chaoxing.com/ananas/latex/p/312248" \* MERGEFORMATINET ,则( )
(1.0)

A、  INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/22036fe43827ed0db23d177e31c3a2b4.png" \* MERGEFORMATINET

B、  INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/b2438085c7f52fc89bd82d931934be3d.png" \* MERGEFORMATINET

C、  INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/5bfacced11915d1e48dda63d54b5fc24.png" \* MERGEFORMATINET

D、  INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/33a779319651bcd1abbd76889f388a9f.png" \* MERGEFORMATINET

答案:C

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数学套题期末4第四套
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36、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/0834f7382644e447e6af07a60bfc4475.png" \* MERGEFORMATINET
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A.   1

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A.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/73357b760f571c259794ef21e9f7b9ef.png" \* MERGEFORMATINET

B.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/6d0b6e9f4255e23716df5adbbacccc7b.png" \* MERGEFORMATINET

C.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/62e4261dfaa7c90b847194de5d1bc7eb.png" \* MERGEFORMATINET

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https://www.shititong.cn/cha-kan/shiti/0005b877-74f1-6b58-c0ce-60519723ce00.html
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15、设有一个连通网络如图所示。试采用prim算法从顶点0开始构造最小生成树。( )( )
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73、据既往经验,注射破伤风抗毒素异常发生率为5‰,某医院一年接种600人次,无1例发生异常,该情况发生的可能性P(X=0)应等于 ( )。
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A.   INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/887682" \* MERGEFORMATINET

B.   INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/887683" \* MERGEFORMATINET

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D.   1- INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/887683" \* MERGEFORMATINET

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44、假设A地有2万人口,B地有3万人口,C地有5万人口,他们按如图方式在城市间迁移,三地人口总数不变。

A.   转移概率矩阵为P, INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/ac442473ae925a595caa561099f38720.png" \* MERGEFORMATINET

B.   若 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/c6c825aa831220855e505785daab06ce.png" \* MERGEFORMATINET ,则 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/92b22837f266b5578e50fe1899f2228a.png" \* MERGEFORMATINET

C.   每个转移概率矩阵都有唯一对应的稳态向量,稳态向量就是转移概率矩阵属于特征值为1的特征向量。

D.   转移概率矩阵每个元素表示转移的比例,所以每一行元素之和为1

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