计算乘积:[tex=8.571x3.5]rwMhqGKFQ+j3l2qMx/grPnCtgBheQlqHjFWATrpgoDNeYniRglYpReGDsYmL3v53ne9GGpeACZ5zg9dxOflFYSGNQAlIQ5tm3q1fUnYvHGzEsEppksxHbfOs/iFmqqXTdexOEGKoFg4mU0KOw13bahlWhgayUzABdUZeYDSFkTM=[/tex].
举一反三
- 【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]
- list(map(lambda x, y: x+y, range(5), range(5, 10)))运行结果正确的是( )。 A: ['5', '7', '9', '11', '13'] B: [5, 7, 9, 11, 13] C: ['0', '1', '2', '3', '4'] D: [0, 1, 2, 3, 4]
- 【单选题】myarray1=np.arange(15) myarray2=myarray1.reshape(5,3) print( myarray1) print(myarray2) 输出值是? A. [ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15] [[ 0 1 2] [ 3 4 5] [ 6 7 8] [ 9 10 11] [12 13 14]] B. [ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15] [[ 1 2 3] [ 4 5 6] [ 7 8 9] [10 11 12] [13 14 15]] C. [ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14] [[ 0 1 2] [ 3 4 5] [ 6 7 8] [ 9 10 11] [12 13 14]] D. [ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14] [[ 1 2 3] [ 4 5 6] [ 7 8 9] [10 11 12] [13 14 15]]
- 【单选题】请用地点定桩法在4分钟内记忆数字。 4 0 1 3 6 3 5 1 9 8 8 9 7 2 9 3 0 9 5 3 1 7 7 5 2 3 3 0 5 0 1 4 1 3 8 3 5 7 9 7 (5.0分) A. 已背 B. 未背
- 设DES加密算法中的一个S盒为： 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 14 4 13 1 2 15 11 8 3 10 6 12 5 9 0 7 0 15 7 4 14 2 13 1 10 6 12 11 9 5 3 8 4 1 14 8 13 6 2 11 15 12 9 7 3 10 5 0 15 12 8 2 4 9 1 7 5 11 A: 1010 B: 0001 C: 1011 D: 0111