na-adjective, noun which may take the genitive case particle 'no', noun
correct; proper; regular; systematic
Describes something that follows established rules, standards, or procedures; often used in formal or technical contexts.
正則な手続きを踏む必要がある。
We need to follow the proper procedures.
この表現は文法的に正則ではない。
This expression is not grammatically regular.
na-adjective, noun which may take the genitive case particle 'no'
invertible (matrix); holomorphic
Mathematics term; 正則行列 is an invertible matrix, 正則関数 is a holomorphic function.
この行列は正則なので逆行列が存在する。
This matrix is invertible, so its inverse exists.
正則関数は複素解析の基本的な対象だ。
Holomorphic functions are fundamental objects in complex analysis.