Computes the cosine expansion terms used in the likelihood of a distance analysis. More generally, will compute a cosine expansion of any numeric vector.
In a distance analysis,
A scalar specifying the number of expansion terms to compute. Must be one of the integers 1, 2, 3, 4, or 5.
There are, in general, several expansions that can be called cosine. The cosine expansion used here is:
h1(x) = cos(2*Pi*x),
h2(x) = cos(3*Pi*x),
h3(x) = cos(4*Pi*x),
h4(x) = cos(5*Pi*x),
h5(x) = cos(6*Pi*x),
The maximum number of expansion terms computed is 5.
A matrix of size
expansions. The columns of this matrix are the cosine expansions of
x. Column 1 is the first expansion term of
x, column 2 is the second expansion term of
x, and so on
1 2 3 4
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