You could implement a new op similar to clip, except the gradient would be 1 everywhere. An option to do that would be to use `OpFromGraph` and override the gradient.
On Saturday, July 22, 2017 at 7:42:06 PM UTC-4, Sihyeon Seong wrote: > > > Hi, I found out T.clip(x, min, max) makes gradient zero when x is not in > [min, max]. > > It would be useful if there is a function only clips value in the forward > pass, and calculate df/dx(x=max) at the backward-pass. > > Is the function I explained exist in Theano? Or, can somebody teach me how > to implement it? Thanks. > -- --- You received this message because you are subscribed to the Google Groups "theano-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to theano-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.