julia-opt

New posts have now been disabled. See you on discourse! On Saturday, December 10, 2016 at 9:14:08 PM

how i can defined different bounds or fixed values to elements of a vector variable? On Sunday,

Hi all, I'm pleased to announce that the first version of ReverseDiff is now registered.

Hell Thank you both for your answers. It is true that readcsv is quite direct. Yet I was thinking

I checked out the master of KNITRO.jl and downloaded the KNITRO v 10.1.2, I ran the example from

Increasing the values of "feastol" and "feastol_abs" to match the feasibility

Thank you for your reply that I interpret as variables can have an "infinite" number of

Given the distributed nature and growing number of people building on top of JuMP, I think it's

Miles, I figured it out. Thanks! On Thursday, November 17, 2016 at 12:34:14 AM UTC-5, Miles Lubin

Congratulations! Well deserved. On Monday, November 14, 2016 at 10:23:30 PM UTC-7, Miles Lubin wrote:

You can recover the i-th variable with Variable(model, i). Joey On Wed, Nov 16, 2016 at 5:59 PM -0600

Hi, I'm a novice when it comes to optimization, so please forgive mis-use of terms, etc. I'll

The build.jl script will only attempt to download and compile on its own if it does not find Cbc in

Let me know when is good. On Fri, Nov 11, 2016 at 10:01 PM, Miles Lubin <miles...@gmail.com>

User-defined functions are not supported in AmplNLWriter. It's worth opening an issue complaining

I have just approached JULIA Language. hope it help my study on operation research a lot, just

No reason not to bump a new version of BARON, then (https://github.com/JuliaLang/METADATA.jl/pull/

potentially of interest, and likely obvious: https://github.com/SCIP-Interfaces/SCIP.jl

@Changhyun Kwon Thanks! that did it. On Monday, November 7, 2016 at 8:25:15 AM UTC-8, Changhyun Kwon

This looks like a precompilation error with the Compat package; hopefully Pkg.update() will fix this.

JuMP is an algebraic modeling language, and the constraint you wish to model is not. There is likely

Thanks Joey, I was indeed capable of making it work :-) Best regards, Claudio On Tuesday, November 1,

Different solvers might handle the following differently, but it may be worth trying. If you

I had a similar problem running modules in parallel, The first time they run, they are precompiled, I

Could you post the complete error message? And you might try doing Pkg.update() (and if it does not

if you are using JuMP you can use: MathProgBase.getbasis(m.internalModel) Em segunda-feira, 24 de

Hello Patrick, Thank you for your suggestion. I tried what you have mentioned above. When I do this,

Ah, not as straightforward as I hoped. Thanks, I might look into the Ipopt callbacks. On Mon, 24 Oct

So I'm happy if the Hessian coloring is skipped if I leave :Hess out of the requested features.

It's polite to cross link when you post the same question in multiple places: https://github.com/