# Zeros
zeros = np.zeros(5)          # [0. 0. 0. 0. 0.]

# Ones
ones = np.ones(3)            # [1. 1. 1.]

# Range
range_arr = np.arange(10)    # [0 1 2 3 4 5 6 7 8 9]

# Evenly spaced
linspace = np.linspace(0, 1, 5)  # [0.   0.25 0.5  0.75 1.  ]