Dear all
It is a point that I can not code the sub-tour elimination for TSP and VRP in gams when it is modeled as follow:
for example J is set customers. I know there are other kinds of formulation, but I wondered if there is anyway to code this formulation.
looking forward to hear from you.
Best Regards,
–
Babak Saleck Pay
M.Sc
Socio-Economic System Engineering
Group of Industrial Engineering
University of Tehran
Tehran,Iran
www.babaksp.com
–
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On 5/20/13, Bob Pay wrote:
Dear all
It is a point that I can not code the sub-tour elimination for TSP and VRP
in gams when it is modeled as follow:
for example J is set customers. I know there are other kinds of
formulation, but I wondered if there is anyway to code this formulation.
looking forward to hear from you.
Dear Babak,
See the attachment file which is coded by Erwin Kalvelagen.
Regards,
Hossein Karimi
Best Regards,
–
Babak Saleck Pay
M.Sc
Socio-Economic System Engineering
Group of Industrial Engineering
University of Tehran
Tehran,Iran
www.babaksp.com
–
TSP.gms (3.68 KB)
Thank you Hossein
On Tue, May 21, 2013 at 3:19 PM, hossein karimi wrote:
On 5/20/13, Bob Pay wrote:
Dear all
It is a point that I can not code the sub-tour elimination for TSP and VRP
in gams when it is modeled as follow:
for example J is set customers. I know there are other kinds of
formulation, but I wondered if there is anyway to code this formulation.
looking forward to hear from you.
Dear Babak,
See the attachment file which is coded by Erwin Kalvelagen.
Regards,
Hossein Karimi
Best Regards,
–
Babak Saleck Pay
M.Sc
Socio-Economic System Engineering
Group of Industrial Engineering
University of Tehran
Tehran,Iran
www.babaksp.com
–
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Babak Saleck Pay
M.Sc
Socio-Economic System Engineering
Group of Industrial Engineering
University of Tehran
Tehran,Iran
www.babaksp.com
–
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