R: Class "compMatrix" of Composite (Factorizable) Matrices

compMatrix-class {Matrix} | R Documentation

## Class "compMatrix" of Composite (Factorizable) Matrices

### Description

Virtual class of composite matrices; i.e., matrices that can be factorized, typically as a product of simpler matrices.

### Objects from the Class

A virtual Class: No objects may be created from it.

### Slots

`factors`:

  Object of class `"list"` - a list of factorizations of the matrix. Note that this is typically empty, i.e., `list()`, initially and is updated automagically whenever a matrix factorization is computed.

`Dim`, `Dimnames`:

  inherited from the `Matrix` class, see there.

### Extends

Class `"Matrix"`, directly.

### Methods

dimnames<-

  `signature(x = "compMatrix", value = "list")`: set the `dimnames` to a `list` of length 2, see `dimnames<-`. The `factors` slot is currently reset to empty, as the factorization `dimnames` would have to be adapted, too.

### See Also

The matrix factorization classes `"MatrixFactorization"` and their generators, `lu()`, `qr()`, `chol()` and `Cholesky()`, `BunchKaufman()`, `Schur()`.

[Package Matrix version 1.3-4 Index]