extendr_api::prelude::modules::qr

Module no_pivoting

Expand description

The QR decomposition decomposes a matrix $A$ into the product $$A = QR,$$ where $Q$ is a unitary matrix (represented as a block Householder sequence), and $R$ is an upper trapezoidal matrix.

Modules§

compute
Computing the decomposition.
inverse
Reconstructing the inverse of the original matrix from the decomposition.
reconstruct
Reconstructing the original matrix from the decomposition.
solve
Solving a linear system using the decomposition.