want to retrieve so here the patterns aren't kind of stored in the network beforehand but the patterns are also generated like in an attention layer so the keys are generated by the previous layer or by these matrices but that doesn't matter for the hopfield network update rule so you see here that the attention mechanism can be interpreted as simply one step making one step of this update rule but you can think of making actually multiple steps and and retrieving the particular key so you know deciding on a sort of a hard