[Ipopt] Cutting back alpha due to evaluation error

Martin Schmidt mschmidt at ifam.uni-hannover.de
Tue Jun 14 03:14:29 EDT 2011


Hi,

thanks for the information.

> It seems you are using GAMS.  If you however also have an AMPL model, you can set the option
> 
> halt_on_ampl_error yes
> 
> from within AMPL (ipopt_options... it will not work from ipopt.opt).  Then AMPL will stop in case of an evaluation error and tell you which constraint is causing the trouble.

@Stefan: Isn't that something that would be nice in the GAMS interface, too? ;-)

Best regards,
Martin




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