RSM Array

• Rotatable

• Center point

Formula

Design of experiments (DOE)

For commercial use

75 EURO

Full Factorial Array

Orthogonal Array

Plackettâ€“Burman Array

Box-Behnken design

Central Composite design

Rotatability is needed for a Response Surface design. A Matrix is rotatable if all the point have the same distance to the Center point.

Rotatable is desired for the quadratic fitting of the model.

2 Levels | 3 Levels | |

Non linear response | Linear | Quadratic |

Central Composite design Box-Behnken design |

Blue Center point |

As visible in the graphical image of a 3 factor Full Factorial Design with 3 levels, the distance to the Center point variates.