def frac(x1,x2):

	"""FRAC(A,B)=A/B
		Compared to the matlab version, this function has little interest...
	_________________________________________________________________
	This is part of JLAB
	(C) 2004 J.M. Lilly
	Rewritten in python 2.X by G. Lenoir, October 2016"""

	y=x1/x2
	
	return y
