numpy的升維
a = np.array([1,2])
b = np.expand_dims(a, axis=1)
numpy的降維
a = np.array([[1],[2]])
b = np.squeeze(a)
numpy的升維
a = np.array([1,2])
b = np.expand_dims(a, axis=1)
numpy的降維
a = np.array([[1],[2]])
b = np.squeeze(a)