lu {Matrix}R Documentation

Triangular Decomposition of a Square Matrix

Description

Computes triangular decompositions of square matrices.

Usage

lu(x, ...)

Arguments

x a matrix. No missing values or IEEE special values are allowed.
... further arguments passed to or from other methods.

Details

This is a generic function with special methods for different types of matrices. Use methods("lu") to list all the methods for the lu generic.

Value

an object of class "LU", see LU-class; this is a representation of a triangular decomposition of x.

References

Golub, G., and Van Loan, C. F. (1989). Matrix Computations, 2nd edition, Johns Hopkins, Baltimore.

See Also

LU-class and expand; qr, chol.

Examples

x <- Matrix(rnorm(9), 3, 3)
lu(x)

[Package Matrix version 0.95-5 Index]