An orthogonal array OA is a Array with entries taken from an -set having the property that in any two rows, each ordered pair of symbols from occurs exactly once.

**References**

Colbourn, C. J. and Dinitz, J. H. (Eds.) *CRC Handbook of Combinatorial Designs.*
Boca Raton, FL: CRC Press, p. 111, 1996.

© 1996-9

1999-05-26