矩阵A=[img=53x51]180323c1ae1928b.png[/img]的伴随矩阵[img=21x20]180323c1b6c99d3.png[/img]=（ ）A.[img=81x51]180323c1becf0c4.png[/img]；B.[img=81x51]180323c1c7bf1c1.png[/img]；C.[img=81x51]180323c1cffcc0a.png[/img]；D.[img=81x51]180323c1d9148d0.png[/img].
A: [img=81x51]180323c1e1e0461.png[/img]
B: [img=81x51]180323c1eae9fbd.png[/img]
C: [img=81x51]180323c1f3cb24c.png[/img]
D: [img=81x51]180323c1fc9149f.png[/img]
E: [img=81x51]180323c2059d08d.png[/img]
F: [img=81x51]180323c20e7afa3.png[/img]
A: [img=81x51]180323c1e1e0461.png[/img]
B: [img=81x51]180323c1eae9fbd.png[/img]
C: [img=81x51]180323c1f3cb24c.png[/img]
D: [img=81x51]180323c1fc9149f.png[/img]
E: [img=81x51]180323c2059d08d.png[/img]
F: [img=81x51]180323c20e7afa3.png[/img]
举一反三
- 下列哪些概率矩阵是标准概率矩阵（） A: p=[img=81x51]1803a6f7c5890fe.png[/img] B: p=[img=81x51]1803a6f7ceafec0.png[/img] C: p=[img=81x51]1803a6f7d6a9372.png[/img] D: p=[img=81x51]1803a6f7de59df7.png[/img]
- 下列哪些概率矩阵是标准概率矩阵（） 未知类型：{'options': ['p=[img=81x51]1803a6f7c5890fe.png[/img]', 'p=[img=81x51]1803a6f7ceafec0.png[/img]', 'p=[img=81x51]1803a6f7d6a9372.png[/img]', 'p=[img=81x51]1803a6f7de59df7.png[/img]'], 'type': 102}
- 已知模糊矩阵P、Q、R、S为[img=117x51]18034aba5fe7421.png[/img] [img=119x51]18034aba68426ef.png[/img] [img=119x51]18034aba70e2656.png[/img] [img=116x51]18034aba78d6e10.png[/img]，则[img=130x25]18034aba80eb989.png[/img]的结果是？ A: [img=81x51]18034aba8941650.png[/img] B: [img=81x51]18034aba92161b0.png[/img] C: [img=81x51]18034aba9a4ceea.png[/img] D: [img=81x51]18034abaa351296.png[/img]
- 设三阶方阵[img=117x75]17da6265af67565.png[/img]有特征值[img=36x21]17da6265c0f8ef3.png[/img],则[img=26x15]17da6265d451088.png[/img] ,[img=27x17]17da5b7f743dcc3.png[/img] . A: x=1, y=1 B: x=2, y=1 C: x=3, y=0 D: x=0, y=3
- 设随机变量X的概率密度为f(x)，则f(x)一定满足( ). A: 0≤f(x)≤1 B: [img=183x53]1803b451bb3373a.png[/img] C: [img=133x51]1803b451c807078.png[/img] D: f(+∞)=1