Matrix (version 1.0-4)

qr-methods: QR Decomposition -- S4 Methods and Generic

Description

The "Matrix" package provides methods for the QR decomposition of special classes of matrices. There is a generic function which uses qr as default, but methods defined in this package can take extra arguments. In particular there is an option for determining a fill-reducing permutation of the columns of a sparse, rectangular matrix.

Arguments

See Also

qr; documentation for classes sparseQR and dgCMatrix.