A version of a two-phase simplex technique is given for manually solving those linear-programming problems in which artificial vectors are introduced and subsequently driven out. The first phase of ...

George B. Dantzig, Wm. Orchard-Hays, The Product Form for the Inverse in the Simplex Method, Mathematical Tables and Other Aids to Computation, Vol. 8, No. 46 (Apr., 1954), pp. 64-67 ...

Perold, André. "Exploiting Degeneracy in the Simplex Method." In Large Scale Linear Programming, edited by G. B. Dantzig, M. A. H. Dempster, and Markku Kallio ...

The mission to improve the widely used simplex-method algorithm showed instead why it works so well.