# Aurele Turnes

### MathWorks

I am an Software Engineer and an Electrical Engineer by education, with a focus on Optimization.

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**Content Feed**

How to deal with discrete constraint fmincon

You can write the equality constraint matrix by keeping track of the indices, or you can use the new problem-based workflow to d...

11 months ago | 1

MILP - Multidimensional optimization

Your objective is obj = sum(sum(Y.*X)) which is not scalar, but a 1-by-1-by-4-by-2 ND array. Currently, the problem-b...

3 years ago | 0

How to write matlab code for simplex equation.

You can use the new problem-based approach in R2017b if you want a more symbolic representation for your problem: <https://ww...

4 years ago | 0

Linear Optimization wih R2017b: Are the constraints correctly defined? (each constraint has multiple entries) - current result is that the Intlinprog stopped

I am not sure what problem you are trying to solve based on the drawing, but have you tried using "showproblem" on linsol to che...

4 years ago | 0

How can I write objective function with variable plus constant for solving using intlinprog Ex. X1+4

If you have R2017b, the new <https://www.mathworks.com/help/optim/problem-based-lp-milp.html Problem-based approach> lets you sp...

4 years ago | 1

linprog

If you have R2017b, you can use the new problem-base approach. It will take care of the constant value for you: <https://www.ma...

4 years ago | 0

Implementing Markowitz Portfolio Optimization in Matlab

As noted in the doc page for <https://www.mathworks.com/help/optim/ug/quadprog.html quadprog>, the objective function that qu...

4 years ago | 0

About matlab genetic algorithm example

Since the number of patients in your case is 34, the population size is at most 34 for you. Typically, you would choose a number...

7 years ago | 0

Adding black border within video (similar to padarray)

In order to create a black border on your video frame, you can use matrix indexing methods. See the documentation page for <http...

7 years ago | 0

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Index exceeds matrix dimensions when saving the data?

It is also possible that you get this error because you have a variable called |save| in your workspace. If that is the case, wh...

7 years ago | 10

Transforming two vectors (2D plot points) and color data (1D vector) into 2D matrix color data (for contour plot)

In order to distribute the color information in |C| to a 2D-grid of points indexed by |(A,B)|, you would need the number of poin...

7 years ago | 0

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Multiple 2d "contourf" surfaces in a 3d figure

To recreate something like the figure attached, you can first create the planar surface in the 3D-plane using the |surface| func...

7 years ago | 0

How to construct 3D images from 2D images taken at different depth of that object?

Looking at the code you provided, it is not clear what this line is trying to achieve: slice(:,:,i) = (temp(:,:,1)==255) + ...

7 years ago | 1

| accepted

overplotting 6 graphs by changing into 3 graphs

You can plot multiple lines into one subplot by using the |hold on| command and removing the call to |figure|. In your first MA...

7 years ago | 0

How can I deal or track only one face while I have detected all the faces in front of camera?

Once you have created your |vision.CascadeObjectDetector| object, you can apply it to your image |I| to detect the faces on the ...

7 years ago | 0

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How to use griddata() with independent z component

It seems like you are trying to get a surface plot in 3 dimensions from 3 n-dimensional vectors |(x,y,z)|. This is not possible ...

7 years ago | 0

Recommendation for Complex Object Array Structure

It seems like a |table| might be a good option in your case. Refer to the following documentation page to see the advantages of ...

7 years ago | 1

input variable stored in matrice

You could also use a structure named |g| to store the value of g for each planet instead of a matrix. For example, you create yo...

7 years ago | 0

| accepted

Grouped Bar plot- colors for groups

If you are using MATLAB R2014a or earlier versions, you can recolor individual bars by first getting a handles to the bar plot a...

7 years ago | 0

How can I draw three two dimensional plots on a three dimensional plot?

What do you mean by delimiting the first octant? Do you want only positive |x|, |y|, and |z| values on your final plot? Also,...

7 years ago | 0

how to connect different classes?

Like per isakson pointed out, I think that you can achieve this by using memoization techniques. The following page on MATLAB C...

7 years ago | 0

How to plot a surface given a vector with data?

The error you get comes from the fact that the |Z| input to the |surf| function must be a matrix. It seems like you want the ...

7 years ago | 0