[协助我创建4D数组。下面是我的3维数组的代码。如何获得形状为(4,3,2,3)
的输出Three_d_array - numpy.array([[[1,2,3],[4,5,6]],[[7,8,9],[10,11,12]],[[13,14,15],[16,17,18]]])
上面的代码提供了(3,2,3)形状的输出,但是我如何获得该形状的4d
import numpy as np
a = np.arange(72)
a = np.reshape(a, (4,3,2,3))
或:
a = np.array([[[[1,2,3],[4,5,6]],[[7,8,9],[10,11,12]],[[13,14,15],[16,17,18]]], [[[1,2,3],[4,5,6]],[[7,8,9],[10,11,12]],[[13,14,15],[16,17,18]]], [[[1,2,3],[4,5,6]],[[7,8,9],[10,11,12]],[[13,14,15],[16,17,18]]], [[[1,2,3],[4,5,6]],[[7,8,9],[10,11,12]],[[13,14,15],[16,17,18]]]])
或:
a = np.array([[[1,2,3],[4,5,6]],[[7,8,9],[10,11,12]],[[13,14,15],[16,17,18]]])
a = np.expand_dims(a, axis=0)
a = np.repeat(a, 4, axis=0)