cofactor: Cofactor of A[i,j]
In matlib: Matrix Functions for Teaching and Learning Linear Algebra and Multivariate Statistics
cofactor R Documentation
Cofactor of A[i,j]
Description
Returns the cofactor of element (i,j) of the square matrix A, i.e., the signed minor of the
sub-matrix that results when row i and column j are deleted.
Usage
cofactor(A, i, j)
Arguments
A
a square matrix
i
row index
j
column index
Value
the cofactor of A[i,j]
Author(s)
Michael Friendly
See Also
rowCofactors for all cofactors of a given row
Other determinants:
Det(),
adjoint(),
minor(),
rowCofactors(),
rowMinors()
Examples
M <- matrix(c(4, -12, -4,
2, 1, 3,
-1, -3, 2), 3, 3, byrow=TRUE)
cofactor(M, 1, 1)
cofactor(M, 1, 2)
cofactor(M, 1, 3)
matlib documentation built on Dec. 9, 2022, 1:09 a.m.
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| cofactor | R Documentation |
Cofactor of A[i,j]
Description
Returns the cofactor of element (i,j) of the square matrix A, i.e., the signed minor of the sub-matrix that results when row i and column j are deleted.
Usage
cofactor(A, i, j)
Arguments
A |
a square matrix |
i |
row index |
j |
column index |
Value
the cofactor of A[i,j]
Author(s)
Michael Friendly
See Also
rowCofactors for all cofactors of a given row
Other determinants:
Det(),
adjoint(),
minor(),
rowCofactors(),
rowMinors()
Examples
M <- matrix(c(4, -12, -4,
2, 1, 3,
-1, -3, 2), 3, 3, byrow=TRUE)
cofactor(M, 1, 1)
cofactor(M, 1, 2)
cofactor(M, 1, 3)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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