Geodesic
Proč řešit graficky úlohy lineárního programování
Učitel matematiky, Tome 24 (2016) no. 1, pp. 1-16.

Voir la notice de l'article provenant de la source Czech Digital Mathematics Library

At universities focused on economy, Operation Research topics are usually included in the study plan, including solving of Linear Programming problems. A universal tool for their algebraic solution is (numerically difficult) Simplex Algorithm, for which it is necessary to know at least the fundamental of Matrix Algebra. To illustrate this method of solving LP problems and to discuss all types of results, it seems to be very convenient to include a chapter about graphic solutions to LP problems. Moreover, this way of solution can be explained separately as well, and already at the secondary school. It only requires the knowledge of graphic representations of linear objects and their geometry. In 2D, we can solve two-dimensional problems by planimetry methods and oblique projection, thus avoiding the usage of more complicated methods of descriptive geometry. In 3D, we can solve three-dimensional problems by stereometry methods.
Classification : 46N10, 52B12, 90C05, 90C90 
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Kubišová, Andrea. Proč řešit graficky úlohy lineárního programování. Učitel matematiky, Tome 24 (2016) no. 1, pp. 1-16. http://geodesic.mathdoc.fr/item/UM_2016__24_1_a0/