Cofactor

Look up cofactor in Wiktionary, the free dictionary.

Cofactor may refer to any of the following:

• Cofactor in cryptography, the ratio between the order of a group and that of the subgroup.
• Cofactor (linear algebra), the signed minor of a matrix
• Minor (linear algebra), an alternative name for the determinant of a smaller matrix than that which it describes
• Cofactor (biochemistry), a substance that needs to be present in addition to an enzyme for a certain reaction to be catalysed
• Shannon cofactor, a term in Boole's (or Shannon's) expansion of a Boolean function

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.