Aspects of complete sets of 9 × 9 pairwi
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P.J. Owens; D.A. Preece
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Article
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1997
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Elsevier Science
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English
⚖ 324 KB
An affine plane of order 9 can be specified by an orthogonal array with l0 constraints and 9 levels. A complete set of pairwise orthogonat 9 x 9 latin squares is obtained when any two of the constraints are taken as rows and columns. Any 3 of the 10 constraints give rise to an adjugacy set of 9 × 9