Matrix (version 1.2-8)

expand: Expand a Decomposition into Factors

Description

Expands decompositions stored in compact form into factors.

Usage

expand(x, ...)

Arguments

x

a matrix decomposition.

...

further arguments passed to or from other methods.

Value

The expanded decomposition, typically a list of matrix factors.

Details

This is a generic function with special methods for different types of decompositions, see showMethods(expand) to list them all.

See Also

The LU lu, and the Cholesky decompositions which have expand methods; facmul.

Examples

(x <- Matrix(round(rnorm(9),2), 3, 3))
(ex <- expand(lux <- lu(x)))

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