Function rgsl::linear_algebra::QR_Rsolve

pub fn QR_Rsolve(qr: &MatrixF64, b: &VectorF64, x: &mut VectorF64) -> Value

This function solves the triangular system R x = b for x. It may be useful if the product b’ = Q^T b has already been computed using gsl_linalg_QR_QTvec.