Description Usage Arguments Details Value References See Also Examples
cdn_PaleyII Checks Hadamard Matrix can be constructed using Paley II method.
1 |
order |
integer |
In Paley II method, If q=order/2-1 or q=order/4-1 and q is prime number and q=1 (mod 4) then this function retuns 3 otherwise NULL.
3 or NULL
Paley, R.E.A.C. (1933). On Orthogonal matrices. J. Combin. Theory, A 57(1), 86-108.
PaleyII
for Paley II construction method.
1 2 3 4 | cdn_PaleyII(24)
#3
cdn_PaleyII(16)
#NULL
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