Description Usage Arguments Details Value References See Also Examples
View source: R/cdn_PaleyIIprimepower.R
cdn_PaleyIIprimepower checks Hadamard Matrix can be constructed using Paley II method.
1 |
order |
integer |
In Paley II method, q=order/2-1 and q is prime power and q=1 (mod 4) then it retuns 15 otherwise NULL.
15 or NULL
Paley, R.E.A.C. (1933). On Orthogonal matrices. J. Combin. Theory, A 57(1), 86-108.
PaleyIIPrimePower
for Paley construction method.
1 2 3 4 | cdn_PaleyIIprimepower(340)
#15
cdn_PaleyIIprimepower(64)
#NULL
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