can impose it by adding noise as long as you limit the norm of the other points now it's a bit more formulas in inversion autoencoder where the side of this of those balls is not fixed it can actually vary in all dimensions but there is a cost function that makes it makes you pay for making it significantly smaller than one and there's another term that makes sure the average the mean of all those points is actually centered on zero which is not with the spring analogy doesn't quite quite quite do you notice you go to