This study presents a variant representation of pivot in simplex, which performs cone-cutting on a cone C in dual space to match the pivot performed on a basis B, while the edge-vectors of C are indicated by the row vectors of the feature matrix F = B-1 in the simplex table. Under this...

The practice of solely relying on the human resources department in the selection process of external training providers has cast doubts and mistrust across other departments as to how trainers are sourced. There are no measurable criteria used by human resource personnel, since most decisions...

This paper proposes an efficient, stage-wise optimisation model for scheduling part-time staff. During stage 1, the problem is formulated as a totally unimodular integer linear programme (ILP) that produces integer solution upon solving its LP relaxation. The model produces optimum work shifts...