EVOP plans

The EVOP plans of experiments are interesting because they allow, by successive small changes of influence factors, to optimise our results. Introduction The EVOP method, Evolutionary Operation, is a method of optimizing process-type experiments, introduced by George...

The square plans-Latin and Greco-Latin

These are probably the first plans of experiments. Its history dates back to the eighteenth century by the Swiss mathematician Euler and we meet him in the games of SUDOKU. Introduction These are probably the first plans of experiments. Its history dates back to the...

The Hadamard Matrix

As a basic tool of the experience plans, the Hadamard matrices have allowed to “automate” the planning of the experiments while guaranteeing the quality of the mathematical result. Introduction The plans of experiments are all based on the matrixes of...