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数学套题期末4第四套
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51、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/87748ad3b42e99a1b0b51f800d1db0fb.png" \* MERGEFORMATINET
(1.0)

A、  2

B、  -2

C、  1/2

D、  -1/2

答案:D

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数学套题期末4第四套
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5、矩阵 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/c26b036e12bc370ccac4c6ddc452f430.png" \* MERGEFORMATINET ,则 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/e17a3b2ad5a6d579639f5df659fad89a.png" \* MERGEFORMATINET
( )
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-72e0-c0ce-60519723ce00.html
点击查看题目
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
点击查看题目
72、正态分布的两个参数μ与σ, ( )对应的正态曲线愈趋扁平。
(1.0)
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-4018-c0ce-60519723ce00.html
点击查看题目
20、点通过矩阵 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/77cfeea72c7c2277b32e0dc0267f1377.png" \* MERGEFORMATINET 和 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/73a9947e3388336d31daf01af0b631f0.png" \* MERGEFORMATINET 的变换效果相当于另一变换是( )
(1.0)
https://www.shititong.cn/cha-kan/shiti/0005b877-74f1-53e8-c0ce-60519723ce00.html
点击查看题目
16、下列矩阵(不存在)逆矩阵的是
(1.0)
https://www.shititong.cn/cha-kan/shiti/0005b877-74f1-1950-c0ce-60519723ce01.html
点击查看题目
14、设A,B可逆,下列式子(不正确)的是( )
(1.0)
https://www.shititong.cn/cha-kan/shiti/0005b877-74f1-09b0-c0ce-60519723ce00.html
点击查看题目
4
第6空:
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-99f0-c0ce-60519723ce04.html
点击查看题目
7、当k=_______时,下面线性方程组有解?
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-76c8-c0ce-60519723ce01.html
点击查看题目
14、若3个顶点的图G的邻接矩阵为
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-8e38-c0ce-60519723ce02.html
点击查看题目
13、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/0334be92f9fd7d08d8e9abb278f4eb3a.png" \* MERGEFORMATINET
( )
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-8e38-c0ce-60519723ce00.html
点击查看题目
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数学套题期末4第四套
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数学套题期末4第四套

51、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/87748ad3b42e99a1b0b51f800d1db0fb.png" \* MERGEFORMATINET
(1.0)

A、  2

B、  -2

C、  1/2

D、  -1/2

答案:D

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数学套题期末4第四套
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5、矩阵 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/c26b036e12bc370ccac4c6ddc452f430.png" \* MERGEFORMATINET ,则 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/e17a3b2ad5a6d579639f5df659fad89a.png" \* MERGEFORMATINET
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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 ________
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72、正态分布的两个参数μ与σ, ( )对应的正态曲线愈趋扁平。
(1.0)

A.   μ愈大

B.   μ愈小

C.   σ愈大

D.   σ愈小

https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-4018-c0ce-60519723ce00.html
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20、点通过矩阵 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/77cfeea72c7c2277b32e0dc0267f1377.png" \* MERGEFORMATINET 和 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/73a9947e3388336d31daf01af0b631f0.png" \* MERGEFORMATINET 的变换效果相当于另一变换是( )
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A.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/f98c1b860c3cba2a68c63ba2bd6e3d5f.png" \* MERGEFORMATINET

B.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/e498cc472af36f04e2161c2ca81d0969.png" \* MERGEFORMATINET

C.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/a38cffa62d9d5b90a4e2ae53a957616a.png" \* MERGEFORMATINET

D.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/d2d39249faf5c702dcb18f93ee77acba.png" \* MERGEFORMATINET

https://www.shititong.cn/cha-kan/shiti/0005b877-74f1-53e8-c0ce-60519723ce00.html
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16、下列矩阵(不存在)逆矩阵的是
(1.0)

A.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/d77233d739a04ec4df4903be3f8a1be8.png" \* MERGEFORMATINET

B.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/67e27ac6b755d5e1605e09f632e9a53f.png" \* MERGEFORMATINET

C.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/097a2c0609d77996faed92178f6ceb3b.png" \* MERGEFORMATINET

D.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/f31cc1429bacc52c5f04774aa17b9712.png" \* MERGEFORMATINET

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14、设A,B可逆,下列式子(不正确)的是( )
(1.0)

A.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/937e1af96825472d91324f3726ab11b7.png" \* MERGEFORMATINET

B.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/7a57c0e370ef6cf2f31970b1bf6d7134.png" \* MERGEFORMATINET

C.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/53374c548f29dbfc229db0239a1df2f0.png" \* MERGEFORMATINET

D.   INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/567242c2ed52105914e3726efb65f621.png" \* MERGEFORMATINET

https://www.shititong.cn/cha-kan/shiti/0005b877-74f1-09b0-c0ce-60519723ce00.html
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4
第6空:
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-99f0-c0ce-60519723ce04.html
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7、当k=_______时,下面线性方程组有解?
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-76c8-c0ce-60519723ce01.html
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14、若3个顶点的图G的邻接矩阵为
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13、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/0334be92f9fd7d08d8e9abb278f4eb3a.png" \* MERGEFORMATINET
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