Re: FindMinimum function does not seem to work for simple problems

*To*: mathgroup at smc.vnet.net*Subject*: [mg128081] Re: FindMinimum function does not seem to work for simple problems*From*: Frank K <fkampas at gmail.com>*Date*: Fri, 14 Sep 2012 00:23:35 -0400 (EDT)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*Delivered-to*: l-mathgroup@wolfram.com*Delivered-to*: mathgroup-newout@smc.vnet.net*Delivered-to*: mathgroup-newsend@smc.vnet.net*References*: <k2s2qq$dq1$1@smc.vnet.net>

On Thursday, September 13, 2012 3:44:36 AM UTC-4, vassilios.s... at gmail.com wrote: > I am trying to use the FindMinimum function to solve a Nonlinear Programming Problem that is derived by discretization of a simple optimal control problem. > > > > FindMinimum behaves in a very odd way and I am not sure if this is a generic problem with the implementation of the interior point method or if I am using it in a wrong way (although I cannot see what could be wrong with my simple model). > > > > I was driven to write a very trivial problem to test FindMinimum as it was giving me problems with a more complex problem. > > > > Have other people encountered problems with FindMinimum for constrained optimization problems I wonder? > > > > Vassilis I've seen FindMinimum give divide by zero errors for problems. What was your trivial problem?