計画 けいかく行列 ぎょうれつではありませんでした
keikakugyōretsudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 計画行列

1. Was not a planning matrix.; It was not a planning matrix.

Past/Perfective
Negative
Polite
Formal Register
Mathematics