Fri, 21 Nov 1997 11:08:38 -0500
>Can anyone tell me if the current version of nlm uses only function
>values or if it can use gradients and Hessians when they are
>available? I would like to get an idea of how difficult it would be
>to port the development versions of our linear mixed-effects code.
If you don't get the answer you need regarding nlm, I have some
multivariate code which may help. The code has one problem I know about
(the Hessian estimate is off) but mostly I think it is working well.
r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !) To: firstname.lastname@example.org