已知逻辑状态表如下,则输出Y的逻辑式为( )。
A B C Y
0 0 0 0
0 0 1 0
0 1 0 0
0 1 1 1
1 0 0 1
1 0 1 1
1 1 0 1
1 1 1 1
A $Y=\overline{A}+BC$
B $Y=A+BC$
C $Y=A+\overline{B}C$
5.已知方阵A= -1 0 1 0 1 2 1 y -6 0 4 与对角矩阵 1 0 0 0 1 0 0 0 x ) 相似,则 x=2-|||-y= -
设有矩阵1 0 0 -2-|||-1 3 1 0-|||-0 2 0 -3-|||-1 0 1 1,则1 0 0 -2-|||-1 3 1 0-|||-0 2
计算下列行列式a 1 0 0-1 b 1 00 -1 c 10 0 -1 d计算下列行列式a 1
向量组1 0 1-|||-_(1)= 0 _(2)= 1 (alpha )_(3)= 1-|||-0 0 11 0 1-|||-_(1)= 0 _(2)= 1
[单选题]已知D:x+y≤1,D1:x≥0,y≥0,x+y≤1,,则()。A . I=JB . I=2JC . I=3JD . I=4J
求下列各微分方程的通解:-|||-(7) (y)^11+2(y)^12=0;-|||-(8) ^3(y)^11-1=0;
求下列各微分方程的通解:-|||-(7) (y)^11+2(y)^12=0 ;-|||-(8) ^3(y)^11-1=0 ;
[单选题]与“y=(x>0?1:x0)y=1; else if(x0)y=1; else if(xO)y=1; else if(x=-0)y=0; else y=-l;D.y=0; if(x>=0) if(x>=0)y=1; else y=-l;
4.设矩阵A= a 1 3 0 1 b 0 0 2 与矩阵B= 1 0 0 1 1 1 1 -1 3 相似,则 ()-|||-y-|||-(A) =2,
[单选题]与y=(x>0? 1:x0)y=1 else if(x<0)y=£1; else y=O;B.i与y=(x>0? 1:x<0? -1:0);的功能相同的if语句是A.if(x>0)y=1 else if(x<0)y=-1; else y=O;B.if(x) if(x>0)y=1; else if(x<0)y=-1;C.y=-1; if(x) if(x>0)y=1; else if(x==0)y=0; else y=-1;D.y=0; if(x>=0) if(x>0)y=1; else y=-1