Cholesky decomposition of an rvar
containing a matrix.
# S3 method for rvar
chol(x, ...)
(rvar) A 2-dimensional rvar
.
Additional parameters passed on to chol.tensor()
An rvar
containing the upper triangular factor of the Cholesky
decomposition, i.e., the matrix \(R\) such that \(R'R = x\).