Hello there,
I am solving MINLP problem, and I used the following solvers:
*Option MINLP = BONMIN;
*option MINLP = BARON;
*option MINLP = LINDOGLOBAL;
Each solver is giving me different answer and I am getting local optimal solution instead of the global solution !!!
so I am wondering is there any good solver to solve MINLP models ?? by the way, I used the GLOBAL solver in LINGO and it works perfectly and I am getting global optimal solution all the time but it takes too much time to get the answers !!!
–
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6 Ocak 2013 Pazar 05:56:45 UTC+2 tarihinde Adei yazdı:
Hello there,
I am solving MINLP problem, and I used the following solvers:
*Option MINLP = BONMIN;
*option MINLP = BARON;
*option MINLP = LINDOGLOBAL;
Each solver is giving me different answer and I am getting local optimal solution instead of the global solution !!!
so I am wondering is there any good solver to solve MINLP models ?? by the way, I used the GLOBAL solver in LINGO and it works perfectly and I am getting global optimal solution all the time but it takes too much time to get the answers !!!
–
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Hey there,
If u have proper license file, BARON should work well. But to be honest, I do not rely much on MINLP; solutions may be deceiving. Instead why don’t u try to do some math tricks to convert your MINLP problem into MILP?
6 Ocak 2013 Pazar 05:56:45 UTC+2 tarihinde Adei yazdı:
Hello there,
I am solving MINLP problem, and I used the following solvers:
*Option MINLP = BONMIN;
*option MINLP = BARON;
*option MINLP = LINDOGLOBAL;
Each solver is giving me different answer and I am getting local optimal solution instead of the global solution !!!
so I am wondering is there any good solver to solve MINLP models ?? by the way, I used the GLOBAL solver in LINGO and it works perfectly and I am getting global optimal solution all the time but it takes too much time to get the answers !!!
–
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Hey Huseyin,
I have the full version of Gams and BARON is not working well all the time !!!
On Friday, January 11, 2013 12:52:03 PM UTC-8, Hüseyin Uğur Yıldız wrote:
Hey there,
If u have proper license file, BARON should work well. But to be honest, I do not rely much on MINLP; solutions may be deceiving. Instead why don’t u try to do some math tricks to convert your MINLP problem into MILP?
6 Ocak 2013 Pazar 05:56:45 UTC+2 tarihinde Adei yazdı:
Hello there,
I am solving MINLP problem, and I used the following solvers:
*Option MINLP = BONMIN;
*option MINLP = BARON;
*option MINLP = LINDOGLOBAL;
Each solver is giving me different answer and I am getting local optimal solution instead of the global solution !!!
so I am wondering is there any good solver to solve MINLP models ?? by the way, I used the GLOBAL solver in LINGO and it works perfectly and I am getting global optimal solution all the time but it takes too much time to get the answers !!!
–
To view this discussion on the web visit https://groups.google.com/d/msg/gamsworld/-/Kvl5qBRyuZkJ.
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