I don't get it. Your g is a monotone increasing function; why not just minimise sum sum T[i,j,k]?

On Wed, 14 Feb 2007, Bill wrote:

Hi everyone,

I'm new to Glpk. I'm trying to model an optimazation problem for university
timetabling. In the objective function, I need to minimize the following
function,

g(sum sum T[i,j,k])

g() returns 1 if (sum sum T[i,j,k]) > 0 else 0

The problem is T[i,j,k] is a variable, IF-THEN-ELSE cannot handle variables in
the logical expression. Is there a way around it?

Can anyone help?

Thank you very much
B. Song



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