GAMS or CORAL? - FAQS.TIPS

More Abbas Biglar's questions See All

What is the difference between mathematical R^4 space and physical 4D unit space?

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Is it true that the vacuum bomb is about to arrive?

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Is it true that science is leaving the era of mathematics and entering the era of matrix mechanics?

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Which filtration method to go for run off water from dirty solar panels to be used again?

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Can we find a statistical matrix mechanics equivalent to the Schrödinger equation?

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Has anyone looked into the stability of FEM methods on curved meshed?

Google scholar isn't giving me any results on this

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Is it true that there is a physico-statistical meaning to the constant π other than circular geometry but the iron guardians of the SE deny it?

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How many samples size should I select to compare both groups?

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Is it possible to calculate finite numerical integration via matrix mechanics?

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How can I prepare virus for a TEM or SEM imaging?

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Handling Missing Data and Building a Predictive Model with Incomplete Information ?

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Is it possible to use the Fused Deposition Modeling (FDM) to additively manufacture interconnected porous structure generation of >100-200 micrometer?

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How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

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How can I apply boundary conditions in an orthotropic steel deck numerical model using ABAQUS software?

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Hello all, Looking for international reviewer to review Ph.D thesis in wireless sensor network.Can anybody help?

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Can you suggest reliable sources defining "3D mesh" and "3D city models"?

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Please explain how the plastic input value should be considered from the true stress-strain curve for the bilinear elastoplastic material model ?

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If we are using snowball sampling technique, how do we justify the true representativeness of the sample statistically? is there any statistical test?

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What are the shear and normal stiffness values of an LLDPE liner in 3D numerical modeling of a stockpile?

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Abbas Biglar Popular answer

I appreciate your reply

Thanks a lot for your

valuable comment.

I hope this relationship be continues.

Emigdio Marin-Enriquez

I don't know about GAMS or CORAL, but I have used MATLAB and R. R is open source (and free), and has a library (like MATLAB's toolbox) that includes function for knapsack problem (library adagio):

https://cran.r-project.org/web/packages/adagio/adagio.pdf

hope it helps.

Cheers.

Abbas Biglar