誤差 ごさ ぎゃく伝播 でんぱ ほうではありませんでした
gosa gyakudempahōdewārimasendeshita

Noun
Desu Copula

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

1. Was not backpropagation.; Was not error backpropagation.

Past/Perfective
Negative
Polite
Formal Register
Computing