Syntax
where
The XFVAR: command is used to remove functionally specified
variances and covariances. Each pair of arguments defines a
functional specification which is to be deleted. (This corresponds to
the insistence on defining functional beliefs for a named pair only.)
are the names of quantities to which functional
variances or covariances have been attached. Only the part of the name
preceding indices (if any) should be given.
[, 
...] 