![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[1]1s=[[1,2,3],[[4,5],6],[7,8]][2]print(len(1s))下列代码的执行结果是()。
A.1
B.3
C.8
D.4
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.1
B.3
C.8
D.4
Acase k of 1,2:x:=4; 3,4,5:x:=3; 8,9,10:x:=1; 6,7:x:=0 end
Bcase k of 1:x:=4; 2,3,4,5:x:=3; 8,9,10:x:=1; 6,7:x:=0 end
Ccase k of 1,2:x:=4; 3,4,5:x:=3; 9,10:x:=1; 6,7,8:x:=0 end
Dcase k of 1,2,3:x:=4; 4,5:x:=3; 8,9,10:x:=1; 6,7:x:=0 end
A.int a[][3]={{1,2,3},{4,5,6}};
B.int a[][3]={{1,0,1},{},{1,1}};"
C.int a[2][4]={{1,2,3},{4,5},{6}};
D.int a[2][]={{1,0,1},{5,2,3}};
A.int a[2][]={{1,0,1},{5,2,3}};
B.int a[][3]={{1,2,3},{4,5,6}};
C.int a [2][4]={{1,2,3},{4,5},{6}};
D.int a[][3={{1,0,1},{},{1,1}};
A.int a[2][ ]={{1,0,1},{5,2,3}};
B.int a[ ][3]={{1,2,3},{4,5,6}};
C.int a[2][4]={{1,2,3},{4,5},{6}};
D.int a[ ][3]={{1,0,1}{ },{1,1}};
求使A1(1,2,3),A2(2,-3,4),A3(4,5,-6),A4(11,9,-5),分别对应点B1(1,1,2),B2(3,-2,4),B3(5,3,-3),B4(9,2,3)的射影变换,并且不进行计算,证明:完全四点形A1A2A3A4的对边点对应完全四点形B1B2B3B4的对边点.
假设一个具有3个神经元和输入为[1,2,3]的简单MLP模型。输入神经元的权重分别为4,5和6,假设激活函数是一个线性常数值3(激活函数为:y=3x)。输出是什么?()
A.32
B.643
C.96
D.48