comparing each rows of two matrix

[DeaD_EyE]

Use itertools.product, to avoid nested loops:

[x for x,y in itertools.product(a,b) if np.array_equal(x,y)]

There is also a hint on StackOverflow how to make a Cartesian product with numpy:

• https://stackoverflow.com/questions/2868...ls-product
  
• https://stackoverflow.com/questions/1208...two-arrays
  
• https://stackoverflow.com/questions/4709...t-speed-up