Description Usage Arguments Details Value References See Also Examples
Checks Hadamard Matrix can be constructed using Williamson arrays and T- sequences.
1 |
order |
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Cooper-Wallis is a construction of Hadamard matrices which combines Williamson matrices and T-sequences.
The availabile Williamson sequences in the internal data sets is seq(1,63, 2) except 15, 35, 47, 53, 59 in the internal table.
The availabile T- sequences in the internal data sets is seq(1,73,2) and 83, 101, 107.
11 or NULL
Cooper, J., and Wallis, W., D. (1972). A construction for Hadamard arrays. Bull. Austral. Math. 7, 269-278.
had_cooper
for Cooper-Wallis construction method.
get_cooper
for finding order of Williamson and T-Sequences.
1 2 3 4 | cdn_cooper(20)
#11
cdn_cooper(16)
#NULL
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