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Minor of A[i,j]

Source: R/determinants.R

minor.Rd

Returns the minor of element (i,j) of the square matrix A, i.e., the determinant of the sub-matrix that results when row i and column j are deleted.

Usage

minor(A, i, j)

Arguments

A: a square matrix
i: row index
j: column index

Value

the minor of A[i,j]

See also

rowMinors for all minors of a given row

Other determinants: Det(), adjoint(), cofactor(), rowCofactors(), rowMinors()

Author

Michael Friendly

Examples

M <- matrix (c (4, -12, -4,
 2, 1, 3,
 -1, -3, 2), 3, 3, byrow=TRUE)
minor(M, 1, 1)
#> [1] 11
minor(M, 1, 2)
#> [1] 7
minor(M, 1, 3)
#> [1] -5