Re: FindMinimum -- MaxIterations
- To: mathgroup at smc.vnet.net
- Subject: [mg53297] Re: FindMinimum -- MaxIterations
- From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
- Date: Wed, 5 Jan 2005 01:21:10 -0500 (EST)
- Organization: Uni Leipzig
- References: <crdlub$r9d$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi, it depend on the Method you or Mathematica choose, because the numerical algorithm is responsible for the number of function evaluations it need to find the minimum. Regards Jens "Alan" <info at optioncity.REMOVETHIS.net> schrieb im Newsbeitrag news:crdlub$r9d$1 at smc.vnet.net... > Consider running FindMinimum with an objective > function with N > 1 parameters. I count the number of > times the objective function is evaluated prior to > convergence (or early termination) --- let's call this count C. > > The default value for MaxIterations is 100. > Leave all parameters at the defaults. > My question is: how large will C get before 100 iterations occur? > In other words, exactly what is an "iteration" under the > defaults? > > Experience with N say, in the range 3 to 9, > suggests that C is larger than 100 N, but other than that, > I have no clue. > > Thanks in advance, > alan > >