def nmse(a, b):
    """Returns the normalized mean square error of a and b
    """
    return np.square(a - b).mean() / (a.mean() * b.mean())
def nmse(a, b):
    """Returns the normalized mean square error of a and b
    """
    return np.square(a - b).mean() / (a.mean() * b.mean())
def nmse ( a , b ) : return np . square ( a - b ) . mean ( ) / ( a . mean ( ) * b . mean ( ) )
Returns the normalized mean square error of a and b
Returns the normalized mean square error of a and b