problem rather than l2 l2 loss for a regression problem and then let me think and maybe I'll have a better answer by the time that we get to question yeah complex measure is only a function of the model but not a lot is that right absolutely yes - okay so let's one last quick quick note what can we do beyond piecewise defined deep nets because sigmoid hyperbolic tanh these are still very useful in certain applications in particular in recurrent deep nets and it turns out that you can bring those under the same umbrella that of this max