Suppose I have
假设我有
a = np.zeros(2, dtype=[('a', np.int), ('b', np.float, 2)])
a[0] = (2,[3,4])
a[1] = (6,[7,8])
a = np.zeros(2, dtype=[Suppose I have
假设我有
a = np.zeros(2, dtype=[('a', np.int), ('b', np.float, 2)])
a[0] = (2,[3,4])
a[1] = (6,[7,8])
a = np.zeros(2, dtype=[