誤差 ごさ ぎゃく伝播 でんぱ ほうじゃありませんでした
gosa gyakudempahōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 誤差逆伝播法

1. Was not backpropagation.; Wasn't backpropagation.

Past/Perfective
Negative
Polite
Terminal Form
Computing