pan>], X: <span data-unresolved-link="">DenseMatrix</span>[<span data-unresolved-link="">Double</span>], bhat0: <span data-unresolved-link="">DenseVector</span>[<span data-unresolved-link="">Double</span>], its: <span data-unresolved-link="">Int</span>, tol: <span data-unresolved-link="">Double</span>): (<span data-unresolved-link="">DenseVector</span>[<span data-unresolved-link="">Double</span>], <span data-unresolved-link="">DenseMatrix</span>[<span data-unresolved-link="">Double</span>], <span data-unres