Module extendr_api::prelude::modules::qr::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.

Modulesยง

  • Computing the decomposition.
  • Reconstructing the inverse of the original matrix from the decomposition.
  • Reconstructing the original matrix from the decomposition.
  • Solving a linear system using the decomposition.