GAMS World Forum

Thanks for your quick reply. Thats what I want.

Thanks for your reply.

My model is MIP, using a fixed variable will make it NLP as you mentioned. Can I do that in MIP or LP, without changing my model type?

Hello everyone,
I want to make a sensitivity analysis of a given parameter. GAMS only gives the reduced costs of variables and shadow prices of constraints. I want to see what value of change of this scalar parameter can change the optimal basis? What should i do? Thank you in advance.

Hi,
I try to read a table from excel file. However, my set's indicies' name and the indices in the excel file are different. I do not want to change my indices' names for simplicity. What should I do?