Comprensión de matrices tridimensionales

a = np.array([[[90.0, 98.0, 102.0]]])
a.shape
# (1,1,3)
a.size
# 3

b = np.ones((3,3,3))
print(b)
[[[1. 1. 1.]
  [1. 1. 1.]
  [1. 1. 1.]]

 [[1. 1. 1.]
  [1. 1. 1.]
  [1. 1. 1.]]

 [[1. 1. 1.]
  [1. 1. 1.]
  [1. 1. 1.]]]

c = np.ones((1,1,3))
print(c)
[[[1. 1. 1.]]]

d = np.ones((3,3,1))
print(d)
[[[1.]
  [1.]
  [1.]]

 [[1.]
  [1.]
  [1.]]

 [[1.]
  [1.]
  [1.]]]

e = np.ones((1,3,1))
print(e)
[[[1.]
  [1.]
  [1.]]]

f = np.ones((1,1,1))
print(f)
[[[1.]]]

g = np.ones((1,1,3))
print(g)
[[[1. 1. 1.]]]