advancedapplicationapplicationsattentionbottleneckbuildingcontextdatadecisiondeepdescentendessentialsexplainedfoundgenerativegetsgradientlanguagelearnlearningllmlongmachinemeaningmemorymodelsmoduleneednetworkneuraloptimizerspromptingragreallyrecurrentregressionreinforcementretrievalsearchseriesshotsupervisedtransformertransformersunderstandvectorwork