Re: [Bug-glpk] numerical instability (cycling?)

[Ali Baharev]

Dear Andrew,

I am sure we both agree that getting into an infinite loop is not acceptable.

> and applying geometric mean scaling makes the instance badly scaled.

What is your opinion about the Curtis-Reid scaling algorithm?

> However, a much better way is to replace tiny constraint coefficients
> by exact zeros.

How can i figure out what "tiny" is?

Many thanks,

Ali