import numpy as np

x = np.array([[1, 2], [3, 4]], dtype=np.float64)
y = np.array([[5, 6], [7, 8]], dtype=np.float64)

print (x + y)
print (np.add(x, y))

print (x - y)
print (np.subtract(x, y))

print (x * y)
print (np.multiply(x, y))

print (x / y)
print (np.divide(x, y))

print (np.sqrt(x))