Kim Kestenboum
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Activity overview
Latest activity by Kim Kestenboum-
Kim Kestenboum created a post,
Newman iteration foamalation
AnsweredHello, I am trying to formulate an ILP formulation for the Newman algorithm step and would like to ask how can I improve it because it is very slow. Newman algorithm's main idea is dividing a grap...
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Kim Kestenboum commented,
Hi, thanks for the answer, it really helped! if I want in addition a variable z_ij which is 0 iff x_i == x_j ==0, can I write it this way? (of course xi,xj,zij are binary variables) # construct z...
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Kim Kestenboum commented,
Thank you! Another question if it is ok: How can I make a new variable y_ij that is 1 iff x_i == x_j ==1?
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Kim Kestenboum created a post,
How can I formulate a constraint that reflects that a variable can equal only -1 or 1?
AnsweredI am trying to create an ILP formulation that represents newman's idea. I formulated the objective function, but I would like to require the variables to be -1 or 1. How can I do that? Thanks
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Kim Kestenboum created a post,
Is C API faster then the Python API?
Awaiting user inputHi, We are solving our ILP problem with Gurobi and are having issues with the run time. We are trying to think of different ways to improve this and are wondering if there would be a difference if...