Numpy (21)

How to print only 3 decimal places in python numpy array?

# Input
rand_arr = np.random.random((5,3))

# Create the random array
rand_arr = np.random.random([5,3])

# Limit to 3 decimal places
np.set_printoptions(precision=3)
rand_arr[:4]

# output
array([[ 0.443,  0.109,  0.97 ],
       [ 0.388,  0.447,  0.191],
       [ 0.891,  0.474,  0.212],
       [ 0.609,  0.518,  0.403]])