A number of results on the distributions of least squares estimators and their associated t and F statistics are derived via the QR algorithm. Given the initial QR transformation, the proofs are ...

Mathematics of Computation, Vol. 77, No. 261 (Jan., 2008), pp. 353-378 (26 pages) We consider the problem of completion of a matrix with a specified lower triangular part to a unitary matrix. In this ...

In a recent study published in Nature Medicine, researchers introduced a new cardiovascular risk prediction algorithm. Study: Development and validation of a new algorithm for improved cardiovascular ...