Function rgsl::linear_algebra::QR_update[][src]

pub fn QR_update(
    q: &mut MatrixF64,
    r: &mut MatrixF64,
    w: VectorF64,
    v: &VectorF64
) -> Value
Expand description

This function performs a rank-1 update w v^T of the QR decomposition (Q, R). The update is given by Q’R’ = Q (R + w v^T) where the output matrices Q’ and R’ are also orthogonal and right triangular. Note that w is destroyed by the update.