optim.stop: Title optim wrapper for early stopping criterion

In DiceView: Methods for Visualization of Computer Experiments Design and Surrogate

Title optim wrapper for early stopping criterion

Description

Title optim wrapper for early stopping criterion

Usage

optim.stop(
  par,
  fn,
  gr = NULL,
  fn.stop = NA,
  fn.NaN = NaN,
  control = list(),
  ...
)

Arguments

par	starting point for optim
fn	objective function, like in optim().
gr	gradient function, like in optim().
fn.stop	early stopping criterion
fn.NaN	replacement value of fn when returns NaN
control	control parameters for optim()
...	additional arguments passed to optim()

Value

list with best solution and all solutions

Author(s)

Yann Richet, IRSN

Examples

fn = function(x) x^6
o = optim( par=15, fn,lower=-20,upper=20,method='L-BFGS-B')
o.s = optim.stop( par=15, fn,lower=-20,upper=20,method='L-BFGS-B',fn.stop=0.1)
#check o.s$value == 0.1 && o.s$counts < o$counts

DiceView documentation built on June 13, 2025, 5:08 p.m.