JMP Version 4 has a custom designer that allows you to design an experiment that will fit your problem exactly. Advantages of using the Custom Designer Multiple responses with different goals. Any number of factors. Any kind of factor. Any combination of factors.
User chooses number of runs.
The custom designer starts with a random design with each point inside the range of each factor. The computational method is an iterative algorithm called coordinate exchange . Each iteration of the algorithm involves testing every value of every factor in the design to determine if replacing that value increases the optimality criterion. If so, the new value replaces the old. Iteration continues until no replacement occurs in an entire iterate.