ase | R Documentation |
ase
calculates the d-dimensional adjacency spectral embedding of a symmetric
n \times n matrix M.
ase(M,d)
M |
A symmetric matrix. |
d |
A non-negative integer embedding dimension. |
An n \times d matrix X, defined as U |S|^{1/2} where S is a diagonal matrix of the d leading (in absolute value) eigenvalues of M, and U is a matrix of the corresponding eigenvectors.
X has an additional attribute "signs"
which gives the sign of
the eigenvalue corresponding to each column.
If d=0, ase
returns an n \times 1
matrix of zeros.
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