search for: comparederivatives

...trices" in a document dated March 3, 2004 by Richard Mott; the second contains "normal-bracket30bracket-normal". * "Fperm.fd" and "tperm.fd" in the "fda" package; these help pages were written primarily by Giles Hooker. * "compareDerivatives" in the "maxLik" package; this help page was written by Ott Toomet and me. What can we do to eliminate this nonsense comment? Constructs like this seem to be generated in perl code used in "R CMD" processing (https://svn.r-project.org/R/trunk/share/perl/R/R...

Hi all; I recently have been used 'maxLik' function for maximizing G2StNV178 function with gradient function gradlik; for receiving this goal, I write the following program; but I have been seen an error  in calling gradient  function; The maxLik function can't enter gradlik function (definition of gradient function); I guess my mistake is in line ******** ,that the vector  ‘h’ is

This is a follow-up question for PR#15052 <http://bugs.r-project.org/bugzilla3/show_bug.cgi?id=15052> There is another thing I would like to discuss wrt how nlminb() should proceed with NAs. The question is: What would be a successful way to deal with an evaluation point of the objective function where the gradient and the hessian are not well defined? If the gradient and the hessian both