The standard theorems on the Leontief System are proved in a new and elementary way. These concern the existence of a unique nonnegative solution, duality properties, efficiency and profitability, and ...

THIS book is only intended to facilitate the calculation of the results of an ordinary organic analysis, and its title, therefore, is somewhat misleading. It is stated that “the tables have been ...

AN excellent introduction to the subject of vector analysis is provided by this book. It is admirably clear, and a natural temptation to develop so fertile a theory in excessive detail and to multiply ...

This is a preview. Log in through your library . Journal Information Educational Studies in Mathematics presents new ideas and developments of major importance to those working in the field of ...

Elemental analysis of glass helps us to uncover chemical compositions, therefore its applications are vast. These include quality control, production diagnosis, material verification, and more. This ...