Loss function A gradient-based optimization strategy to train a model f ( x ) " data-ke-type="html">HTML 삽입미리보기할 수 없는 소스 using some loss function l ( f ( x i ) , y i ) where ( x i , y i ) " data-ke-type="html">HTML 삽입미리보기할 수 없는 소스 are some input-output pair. It is used to help the model determine how "wrong" it i..