正規 せいき直交 ちょっこう基底 きていではありませんでした
seikichokkōkiteidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 正規直交基底

1. Was not a normal orthogonal basis.; It was not an orthonormal basis.

Past/Perfective
Negative
Polite
Formal Register
Mathematics