The simplex method starts from the identification of a basis of the extended coefficients matrix A, i.e., a square matrix with full rank containing a number of variables (both belonging to the ...

The simplex method starts from the identification of a basis of the extended coefficients matrix A, i.e., a square matrix with full rank containing a number of variables (both belonging to the ...

Despite decades of explosive growth in computing power, despite far more and deeper mathematical and computer science knowledge, despite far more scientists working in the field of algorithms, it is ...

The problem of distributing gas through a network of pipelines is formulated as a cost minimization subject to nonlinear flow-pressure relations, material balances, and pressure bounds. The solution ...