Function rgsl::linear_algebra::QR_unpack

pub fn QR_unpack(
    qr: &MatrixF64, 
    tau: &VectorF64, 
    q: &mut MatrixF64, 
    r: &mut MatrixF64
) -> Value

This function unpacks the encoded QR decomposition (QR,tau) into the matrices Q and R, where Q is M-by-M and R is M-by-N.