Optimal mixture designs use the Custom Design platform with the mixture variables entered into the response and factors panels.
1.
Select DOE > Classical > Mixture Design.
4.
Click Continue.
5.
Click Optimal on the Choose Mixture Design Type panel.
6.
In the Define Factor Constraints panel, click Specify Linear Constraints, and then click Add.
8.
In the Model panel, click Interactions > 2nd.
10.
In the Design Generation panel, enter 2 for the Number of Center Points.
11.
Click Make Design.
Figure 12.6 12-Run Optimal Design Runs
12.
Click Make Table.
1.
From the design table, select Graph >Ternary Plot.
2.
Select X1, X2, and X3 and click X, Plotting, and then click OK.
Figure 12.7 Ternary Plot for Optimal Design

Help created on 10/11/2018