Consider the following cryptosystem: K={A, B}, Pr(A)=2/3, Pr(B)=1/3; P={0, 1}, Pr(0)=3/5, Pr(1)=2/5; C={a, b}, EA(0)=a, EA(1)=b, EB(0)=b, EB(1)=a; Compute Pr(a)=_______ and Pr(0|a)=_________;
Consider the following cryptosystem: K={A, B}, Pr(A)=2/3, Pr(B)=1/3; P={0, 1}, Pr(0)=3/5, Pr(1)=2/5; C={a, b}, EA(0)=a, EA(1)=b, EB(0)=b, EB(1)=a; Compute Pr(a)=_______ and Pr(0|a)=_________;
【单选题】A=[2,3,2,1;1,2,2,1; 1,2,3,-2]; A1=sum(A>A(2,1)); A(2,:)=[]; A2=A.^2-4; (6.6分) A. A1 =[1 3 3 0]; A2 =[0 5 0 -3;-3 0 5 0]; B. A1 =[1 3 -3 0]; A2 =[0 -5 0 -3;-3 0 5 0]; C. A1 =[-1 3 3 0]; A2 =[0 -5 0 -3;-3 0 5 0]; D. A1 =[-1 3 3 0]; A2 =[0 5 0 3;-3 0 5 0];
【单选题】A=[2,3,2,1;1,2,2,1; 1,2,3,-2]; A1=sum(A>A(2,1)); A(2,:)=[]; A2=A.^2-4; (6.6分) A. A1 =[1 3 3 0]; A2 =[0 5 0 -3;-3 0 5 0]; B. A1 =[1 3 -3 0]; A2 =[0 -5 0 -3;-3 0 5 0]; C. A1 =[-1 3 3 0]; A2 =[0 -5 0 -3;-3 0 5 0]; D. A1 =[-1 3 3 0]; A2 =[0 5 0 3;-3 0 5 0];
下列向量组中,( )是线性无关向量组。 A: (1, 1, 0), (0, 2, 0), (0, 0, 3) B: (1, 2), (3, 0), (5, 1) C: (2, 6, 0), (3, 9, 0), (0, 0, 2) D: (1, 2), (--3, 0), (5, 1)
下列向量组中,( )是线性无关向量组。 A: (1, 1, 0), (0, 2, 0), (0, 0, 3) B: (1, 2), (3, 0), (5, 1) C: (2, 6, 0), (3, 9, 0), (0, 0, 2) D: (1, 2), (--3, 0), (5, 1)
【单选题】如图示代码,下面哪个是正确的输出结果 A. 0 1 2 3 4 5 B. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 C. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 D. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5
【单选题】如图示代码,下面哪个是正确的输出结果 A. 0 1 2 3 4 5 B. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 C. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 D. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5
已知g(0)=1,f(2)=3,f’(2)=5,等于(). A: 1 B: 2 C: 3 D: 5
已知g(0)=1,f(2)=3,f’(2)=5,等于(). A: 1 B: 2 C: 3 D: 5
下列数组初始化,错误的是( )。 A: int a[][3] = {1, 2, 3, 4, 5, 6}; B: int b[][3] = {{1, 2},{0}}; C: int d[2][3] = {{1, 2},{3, 4},{5, 6}}; D: int a[2][3] = {0};
下列数组初始化,错误的是( )。 A: int a[][3] = {1, 2, 3, 4, 5, 6}; B: int b[][3] = {{1, 2},{0}}; C: int d[2][3] = {{1, 2},{3, 4},{5, 6}}; D: int a[2][3] = {0};
【单选题】Which of the following matrices does not have the same determinant of matrix B: [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -1, 0, -9,-5] A. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 0; -1, 0, -9, -5] B. [1, 3, 0, 2; -2, -5, 7, 4; 1, 0, 9, 5; -1, 0, -9, -5] C. [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -3, -5, -2, -1] D. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 1; -1, 0, -9, -5]
【单选题】Which of the following matrices does not have the same determinant of matrix B: [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -1, 0, -9,-5] A. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 0; -1, 0, -9, -5] B. [1, 3, 0, 2; -2, -5, 7, 4; 1, 0, 9, 5; -1, 0, -9, -5] C. [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -3, -5, -2, -1] D. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 1; -1, 0, -9, -5]
直线[img=159x51]180319fe71f1681.png[/img]的方向为 A: (-3, 1, -5) B: (3, 1, -5) C: (5, 0, -3) D: (6, -1, 2)
直线[img=159x51]180319fe71f1681.png[/img]的方向为 A: (-3, 1, -5) B: (3, 1, -5) C: (5, 0, -3) D: (6, -1, 2)
直线[img=159x51]180367f278e8931.png[/img]的方向为 A: (-3, 1, -5) B: (3, 1, -5) C: (5, 0, -3) D: (6, -1, 2)
直线[img=159x51]180367f278e8931.png[/img]的方向为 A: (-3, 1, -5) B: (3, 1, -5) C: (5, 0, -3) D: (6, -1, 2)
A: 5 B: 1 C: 2 D: 3 E: 0
A: 5 B: 1 C: 2 D: 3 E: 0