inc.chol-class {kernlab} | R Documentation |
The reduced Cholesky decomposition object
Objects can be created by calls of the form new("inc.chol", ...)
.
or by calling the chol.reduce
function.
.Data
:"matrix"
contains the decomposed matrixpivots
:"vector"
contains the
pivots performeddiag.residues
:"vector"
contains the diagonial residuesmaxresiduals
:"vector"
contains
the maximum residues
Class "matrix"
, directly.
signature(object = "inc.chol")
: returns
the diagonial residues signature(object = "inc.chol")
: returns
the maximum residues signature(object = "inc.chol")
: returns the
pivots performed
Alexandros Karatzoglou
alexandros.karatzoglou@ci.tuwien.ac.at
data(iris) datamatrix <- as.matrix(iris[,-5]) # initialize kernel function rbf <- rbfdot(sigma=0.1) rbf Z <- chol.reduce(datamatrix,kernel=rbf) dim(Z) pivots(Z) diag.residues(Z) maxresiduals(Z)