Nothing
# test to run funcheck on tryfun functions
require(optfntools)
# Simple Test Function 1:
tryfun.f = function(x, scale=1) {
fun <- sum(x^2 )*sqrt(scale)
## if (trace) ... to be fixed
# print(c(x = x, fun = fun))
fun
}
tryfun.g = function(x, scale=1) {
grad<-2.0*x*sqrt(scale)
grad
}
tryfun.h = function(x, scale=1) {
n<-length(x)
t<-rep(2.0,n)
hess<-diag(t)*sqrt(scale)
}
ansfc<-fnchk(xpar = rep(10.0,10), ffn=tryfun.f,scale=.33 )
# ?? do we want to do anything with the answer
ansfc
ansgc<-grchk(xpar=rep(10, 10), ffn=tryfun.f, ggr=tryfun.g, trace=1)
ansgc
anshc<-hesschk(xpar=rep(10,10), ffn=tryfun.f, ggr=tryfun.g, hhess=tryfun.h, trace=1)
anshc
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