Minor

Noun

Pronunciation
/'mʌɪnə/ listen

Meaning
Minor of a matrixA is the determinant of a smaller square matrix.  Minor Mij is obtained from matrix A by removing the i-th row and the j-th column.

Example
Minor of the matrix

can be computed as


Synonym
Subdeterminant

Related terms
Minor expansion of a determinant

Etymology
Anglo-Norman and Old French, Middle French menor, menour, menur smaller, lesser, younger (c1100; also used as noun in plural denoting people under the age of majority (13th cent.))

Source
OED

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