余よ因いん子し

noun

cofactor

In linear algebra, the signed minor of a matrix element, used in determinant expansion and adjugate matrices.

• 行ぎょう列れつ式しきを計けい算さんするとき、余よ因いん子し展てん開かいを使つかうと便べん利りだ。

  When computing a determinant, it is convenient to use cofactor expansion.