# bbdesign

Generates a design matrix for Box-Behnken with specified number of factors f.

R = bbdesign(f)

## Inputs

f
An integer specifying the number of factors. Must be greater than 2 and less than 8.
Type: double | integer
Dimension: scalar

## Outputs

R
A design matrix for Box-Behnken with specified number of factors.

## Example

Simple bbdesign example.

bbdesign (7)
R = [Matrix] 62 x 7
0  0  0  -1 -1 -1 0
0  0  0  -1 -1 1  0
0  0  0  -1 1  -1 0
0  0  0  -1 1  1  0
0  0  0  1  -1 -1 0
0  0  0  1  -1 1  0
0  0  0  1  1  -1 0
0  0  0  1  1  1  0
-1 0  0  0  0  -1 -1
-1 0  0  0  0  -1 1
-1 0  0  0  0  1  -1
-1 0  0  0  0  1  1
1  0  0  0  0  -1 -1
1  0  0  0  0  -1 1
1  0  0  0  0  1  -1
1  0  0  0  0  1  1
0  -1 0  0  -1 0  -1
0  -1 0  0  -1 0  1
0  -1 0  0  1  0  -1
0  -1 0  0  1  0  1
0  1  0  0  -1 0  -1
0  1  0  0  -1 0  1
0  1  0  0  1  0  -1
0  1  0  0  1  0  1
-1 -1 0  -1 0  0  0
-1 -1 0  1  0  0  0
-1 1  0  -1 0  0  0
-1 1  0  1  0  0  0
1  -1 0  -1 0  0  0
1  -1 0  1  0  0  0
1  1  0  -1 0  0  0
1  1  0  1  0  0  0
0  0  -1 -1 0  0  -1
0  0  -1 -1 0  0  1
0  0  -1 1  0  0  -1
0  0  -1 1  0  0  1
0  0  1  -1 0  0  -1
0  0  1  -1 0  0  1
0  0  1  1  0  0  -1
0  0  1  1  0  0  1
-1 0  -1 0  -1 0  0
-1 0  -1 0  1  0  0
-1 0  1  0  -1 0  0
-1 0  1  0  1  0  0
1  0  -1 0  -1 0  0
1  0  -1 0  1  0  0
1  0  1  0  -1 0  0
1  0  1  0  1  0  0
0  -1 -1 0  0  -1 0
0  -1 -1 0  0  1  0
0  -1 1  0  0  -1 0
0  -1 1  0  0  1  0
0  1  -1 0  0  -1 0
0  1  -1 0  0  1  0
0  1  1  0  0  -1 0
0  1  1  0  0  1  0
0  0  0  0  0  0  0
0  0  0  0  0  0  0
0  0  0  0  0  0  0
0  0  0  0  0  0  0
0  0  0  0  0  0  0
0  0  0  0  0  0  0