About Ben-Tal Robust Optimization?

I have a very basic, but important question regarding the Ben-Tal, Robust Counterpart (RC), methodology. What is the mathematical justification, for solving a dual version of the semi-infinite...

01 February 2019 4,317 3 View

Solution Quality of MINLP problems?

What are some methods or approaches by which one can assess the quality of a MINLP problem? If we let the solver solve the relaxed problem, do we get a useful lower bound ? because, even if we...

07 August 2018 7,531 5 View

How to Handle Bilinear constraint in MINLP?

Trying to solve the Hydro-Unit Commitment Problem (HUCP) , the most robust model of the problem, is in the MINLP form. One (seemingly lazy ) approach is to formulate the problem and let a...

06 July 2018 6,409 1 View

Why Convex Optimization equality constraint must be affine in decision variables ?

Would you please explain to me what is the technical definition or explanation behind the point that, in a convex optimization program or space, the equality constraint must be affine.

05 June 2018 4,681 2 View

Dual problem of an MILP ?

I do not want to dig deep into theory of duality regarding the mixed integer programs, because I know they are far from being convex. but, I did try to formulate dual of a very simple knapsack...

05 June 2018 6,488 9 View

Should a Water Resources Engineering student pursue and research in Computational Fluid Mechanics and relative numerical methods ?

03 April 2017 8,977 7 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Why should we choose deep learning to machine learning? Why is CNN better for image classification? Can I get Typical Answer?

What Characteristics makes CNN work better?

03 March 2021 1,458 4 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View