With the exception of "L-BFGS-B", all of the
other optim() methods return the value of the function
when they are given a trivial function (i.e., one with no
variable arguments) to optimize. I don't think this
is a "bug" in L-BFGS-B (more like a response to
an undefined condition), but it lead
[sent this last night, may have bounced, resending]
With R 2.5.1 ...
"L-BFGS-B" behaves differently from all of the
other optim() methods, which return the value of the function
when they are given a trivial function (i.e., one with no
variable arguments) to optimize. I don't think this
i
