有语句:k=x<y(y<z1:0):0;,以下选项中,与此语句功能相同的是( )。 A: if(x<y || y<z)k=1;else k=0; B: if(x<y)k=0;else if(y<z)k=1; C: if(x<y)if(y<z)k=1;else k=0; D: if(x<y&&y<z)k=1;else k=0;
有语句:k=x<y(y<z1:0):0;,以下选项中,与此语句功能相同的是( )。 A: if(x<y || y<z)k=1;else k=0; B: if(x<y)k=0;else if(y<z)k=1; C: if(x<y)if(y<z)k=1;else k=0; D: if(x<y&&y<z)k=1;else k=0;
intx=5,y=8,z=7;表达式z=!(x>y)||(x=1,y=3)计算后的结果 A: x=1,y=3,z=1 B: x=1,y=3,z=0 C: x=5,y=8,z=0 D: x=5,y=8,z=1
intx=5,y=8,z=7;表达式z=!(x>y)||(x=1,y=3)计算后的结果 A: x=1,y=3,z=1 B: x=1,y=3,z=0 C: x=5,y=8,z=0 D: x=5,y=8,z=1
Find the value of y. The correct scripts are ().[img=298x38]1803a1d5f919612.jpg[/img] A: y=2.^(0:20);sum(y) B: y=2^[0:20];sum(y) C: y=1;for k=1:20 y=y+2^k;endy D: y=[1];for k=1:20 y=[y, 2^k];endsum(y)
Find the value of y. The correct scripts are ().[img=298x38]1803a1d5f919612.jpg[/img] A: y=2.^(0:20);sum(y) B: y=2^[0:20];sum(y) C: y=1;for k=1:20 y=y+2^k;endy D: y=[1];for k=1:20 y=[y, 2^k];endsum(y)
若y(k)=f(k)*h(k),则y(k一1)=f(k一1)*h(k一1)()。
若y(k)=f(k)*h(k),则y(k一1)=f(k一1)*h(k一1)()。
设随机变量(X,Y)的联合密度函数为p(x,y)=k(6-x-y),0 (1) 1/8 (2) 3/8
设随机变量(X,Y)的联合密度函数为p(x,y)=k(6-x-y),0 (1) 1/8 (2) 3/8
下列语句序列执行后,k 的值是( )。 int x = 6, y = 10, k = 5; switch (x % y) { case 0: k = x * y; case 6: k = x / y; case 12: k = x - y; default: k = x * y - x; } A: 60 B: 5 C: 0 D: 54
下列语句序列执行后,k 的值是( )。 int x = 6, y = 10, k = 5; switch (x % y) { case 0: k = x * y; case 6: k = x / y; case 12: k = x - y; default: k = x * y - x; } A: 60 B: 5 C: 0 D: 54
int x = 1, y =6; A: x = 6 y = 0 B: x = 7 y = 0 C: x = 6 y = -1 D: x = 7 y = -1 E: Compilation fails.
int x = 1, y =6; A: x = 6 y = 0 B: x = 7 y = 0 C: x = 6 y = -1 D: x = 7 y = -1 E: Compilation fails.
已知X,Y的联合概率密度为f(x,y)=kxy,0≤x≤1,0≤y≤1求(1)常数k,(2)联合分布函数F(x,y)(3)概率P(X≤Y)
已知X,Y的联合概率密度为f(x,y)=kxy,0≤x≤1,0≤y≤1求(1)常数k,(2)联合分布函数F(x,y)(3)概率P(X≤Y)
对序列 {98, 36, -9, 0, 47, 23, 1, 8, 10, 7} 采用希尔排序,下列序列( )是增量为4的一趟排序结果。 A: {-9, 0, 36, 98, 1, 8, 23, 47, 7, 10} B: {36, 98, -9, 0, 23, 47, 1, 8, 7, 10} C: {10, 7, -9, 0, 47, 23, 1, 8, 98, 36}
对序列 {98, 36, -9, 0, 47, 23, 1, 8, 10, 7} 采用希尔排序,下列序列( )是增量为4的一趟排序结果。 A: {-9, 0, 36, 98, 1, 8, 23, 47, 7, 10} B: {36, 98, -9, 0, 23, 47, 1, 8, 7, 10} C: {10, 7, -9, 0, 47, 23, 1, 8, 98, 36}
设 f(k)=δ(k)+2δ(k-1)-δ(k-3),h(k)=2δ(k+1)+2δ(k-1),若y(k)=f(k)*h(k),则 y(1)= A: 0 B: 4 C: 4δ(k) D: 2
设 f(k)=δ(k)+2δ(k-1)-δ(k-3),h(k)=2δ(k+1)+2δ(k-1),若y(k)=f(k)*h(k),则 y(1)= A: 0 B: 4 C: 4δ(k) D: 2