有如下语句:import numpy as npA=np.arange(12) .reshape(3,4)则A[1]的值是[0,1,2,3]
举一反三
- 如下代码的输出结果是( )import numpy as npa = np.arange(12).reshape(3, 4)print(np.sum(a[[0, 2], 2:]))
- 如下代码的输出结果是( )import numpy as npa = np.arange(12).reshape(3, 4)print(np.sum(a[1:, 2:]))
- 有如下语句:import numpy as npA=np.arange(12) .reshape(3,4)则A[:,1]的值是__1__注意答案不要有空格
- 有如下语句:import numpy as npA=np.arange(12)可生成数组[1,2,3,4,5,6,7,8,9,10,11,12]
- 在执行static int a[][3]={{1,2},{3,4}};语句后,a[1][3]的值是: A: 3 B: 4 C: 0 D: 2