R/grnd.R

In optimx: Expanded Replacement and Extension of the 'optim' Function

Defines functions grnd

Documented in grnd

############### grnd.R ####################
grnd<-function(par, userfn, ...) { # using grad from numDeriv
# with Richardson method
   tryg<-numDeriv::grad(userfn, par, ...)
}
############### end grnd ####################

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