sci.op-research

On 3=D4=C25=C8=D5, =CF=C2=CE=E75=CA=B115=B7=D6, caokeg...@126.com wrote:
> today, I used cplex to solve a large scale MIP problem, and I met with
> a difficult problem, "Error 1001: out of memory"! I searched in google
> and cplex user mannual, I got when dealing with large scale problems,
> it may lack enough physical memory. according to suggested methods, I
> set several parameters as follows:
>
> cplex.setParam(IloCplex::TiLim,86400000);
> cplex.setParam(IloCplex::WorkDir,".");
> cplex.setParam(IloCplex::WorkMem,512000);
> cplex.setParam(IloCplex::MIPDisplay,0
> cplex.setParam(IloCplex::NodeFileInd,3);
>
> however, the problem still exists, and I have tried all the ways I can
> think out.
>
> the physical memory is 1GB, the OS is windows XP.
>
> I'd appreciate anybody give me a useful suggestion. thank you!

I call cplex in vc2005, and parameters listed above have been changed
with different values, but it still doesn't work...