W. Morven Gentleman, Algorithm AS 75: Basic Procedures for Large, Sparse or Weighted Linear Least Problems, Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 23, No. 3 ...

To study this problem, we formulate it into an arc-flow model and a set-partitioning model, and propose six families of valid inequalities to strengthen the set-partitioning model. Based on the ...