GAMS World Forum

Dear Micheal, Thank you for your reply. There is a quadratic function in my model and I changed it into a linear one but the model is still a minlp. After the change it turns out to be ok. I'm wondering why the square ones make the problem so hard. If it is not the problem, I should check my model a...

Hi, I'm working on a MINLP problem using BONMIN but there is a question. The output shows: 图片1.png the process, however, doesn't going further for one or two hours. I shortened the time in model and it goes very smoothly. I'm wondering what's the reason and what should I do.Should I keep running it ...