in deep learning so we're going smash it into the framework we know there's another word of this yep the question so do you still have to first build the full matrix and then you run this or so this is a way of having had the full matrix you then run this as a way of like kind of compressing or we representing the matrix chronic Thanks mm-hmm so now as an example where you don't have to build that full matrix so there's another variant of very similar kind of and I think usually a more well-known version of kind of an