MipStart

Hello!

Can anyone send me a file in which you use the MipStart option? I am solving a biobjective mip problem by means of a lexicographic strategy, and I want to use the solution obtained in the first step to initialize the second step. I have read stuff about the MipStart option, but I cannot quite figure out how to use it.

Thank you!!

Fede


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HI Federico
I am not sure this file can help you, but its better to try it.

On Mon, Sep 19, 2011 at 11:10 AM, Federico Perea wrote:

Hello!

Can anyone send me a file in which you use the MipStart option? I am solving a biobjective mip problem by means of a lexicographic strategy, and I want to use the solution obtained in the first step to initialize the second step. I have read stuff about the MipStart option, but I cannot quite figure out how to use it.

Thank you!!

Fede


Goal Progrmming.rar (4.25 KB)

Thank you Ali,

I couldn’t find the MipStart option in your file, so I still don’t know how to use it. But thank you anyway, I learned some other stuff from your file!

Regards

Fede

On Mon, Sep 19, 2011 at 2:34 PM, ali wrote:

HI Federico
I am not sure this file can help you, but its better to try it.

On Mon, Sep 19, 2011 at 11:10 AM, Federico Perea wrote:

Hello!

Can anyone send me a file in which you use the MipStart option? I am solving a biobjective mip problem by means of a lexicographic strategy, and I want to use the solution obtained in the first step to initialize the second step. I have read stuff about the MipStart option, but I cannot quite figure out how to use it.

Thank you!!

Fede


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Hi
Locate the *.xls file in the following path and then run the *.gms file.
E:\Data
This program first optimize the first goal, then fix the optimum solution for it by adding an extra constraint and optimize the 2nd goal.

On Tue, Sep 20, 2011 at 2:12 PM, Federico Perea wrote:

Thank you Ali,

I couldn’t find the MipStart option in your file, so I still don’t know how to use it. But thank you anyway, I learned some other stuff from your file!

Regards

Fede

On Mon, Sep 19, 2011 at 2:34 PM, ali wrote:

HI Federico
I am not sure this file can help you, but its better to try it.

On Mon, Sep 19, 2011 at 11:10 AM, Federico Perea wrote:

Hello!

Can anyone send me a file in which you use the MipStart option? I am solving a biobjective mip problem by means of a lexicographic strategy, and I want to use the solution obtained in the first step to initialize the second step. I have read stuff about the MipStart option, but I cannot quite figure out how to use it.

Thank you!!

Fede


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Thank you Ali!

On Wed, Sep 21, 2011 at 5:13 AM, ali wrote:

Hi
Locate the *.xls file in the following path and then run the *.gms file.
E:\Data
This program first optimize the first goal, then fix the optimum solution for it by adding an extra constraint and optimize the 2nd goal.

On Tue, Sep 20, 2011 at 2:12 PM, Federico Perea wrote:

Thank you Ali,

I couldn’t find the MipStart option in your file, so I still don’t know how to use it. But thank you anyway, I learned some other stuff from your file!

Regards

Fede

On Mon, Sep 19, 2011 at 2:34 PM, ali wrote:

HI Federico
I am not sure this file can help you, but its better to try it.

On Mon, Sep 19, 2011 at 11:10 AM, Federico Perea wrote:

Hello!

Can anyone send me a file in which you use the MipStart option? I am solving a biobjective mip problem by means of a lexicographic strategy, and I want to use the solution obtained in the first step to initialize the second step. I have read stuff about the MipStart option, but I cannot quite figure out how to use it.

Thank you!!

Fede


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