PYTHON

np.random

np.random.rand(3,2)
array([[ 0.14022471,  0.96360618],  #random
       [ 0.37601032,  0.25528411],  #random
       [ 0.49313049,  0.94909878]]) #random

numpy random in python

import numpy as np  
a=np.random.rand(5,2)  
print(a)

numpy random matrix

import numpy as np
n = 2
m = 3
print(np.random.randn(n, m))
# prints random matrix with n rows and m columns
# example:
# array([[ 1.01267696, -1.85632995,  0.23078345],
#        [ 0.34365521, -1.27063438,  2.90131288]])

numpy random

from numpy import random
n = random.randint(lowerbound(inclusive), higherbound(exclusive))