reduce_chains_simple | R Documentation |
Transform a chain and drop excess, internal function.
reduce_chains_simple(chains, sort = TRUE)
chains |
list of 0chains |
sort |
flag for sorting, see details |
Given one or more chains corresponding to a common eigenvalue,
reduce_chains_simple
transforms the chains so that redundant
eigenvectors are removed. In the process, the heights of some chains
may decrease and the number of chains may be reduced, too.
If sort == TRUE
the function reorders the chains so that their
lengths are in decreasing order. However, the algorithm depends on
this being done, so this argument should be used when the chains are
known to be already sorted.
I wrote this function as part of the support for chains of
multi-companion matrices associated with the 0 eigenvalue. When
chains specified via the top left mo.col x mo.col
subchains are
extended to chains of the top left mo x mo
corner the
(extended) eigenvectors may not be linearly independent.
list of chains
Georgi N. Boshnakov
mc.0chain.dx
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