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# Jorrit

### Technische Universiteit Delft

13 total contributions since 2011

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Help with water-filling code (Revised Question)
1. You can probably make a double loop, a loop inside another loop. A second option is maybe to make a function out of it. I hav...

10 years ago | 0

Question

Use a 2D filled polygon in a 3D plot
Hi all, I have a 3D plot of an aircraft, plotted with the surf function. I also have the nacelles in there as a surf. What I'...

10 years ago | 1 answer | 0

### 1

Question

How to define a custom plot function for an optimization
Hi, I want to define a custom plotfunction for my optimization. It should be a bit like the standard 'optimplotfval' plot fun...

10 years ago | 1 answer | 1

### 1

Question

Find an optimum point in a 2D graph
I hope to get some opinions on this: I have a 2D graph, with 10 lines, which form constraints. I have the analytical relations ...

10 years ago | 0 answers | 0

### 0

Fmincon creates complex input vector
Okay I figured it out. It was a problem in my objective function. Here is what happened: I have an aerodynamic solver include...

10 years ago | 0

| accepted

Question

Fmincon creates complex input vector
Some might remember me from some earlier questions. I have programmed an aircraft generator and analyzer. I'm trying to find an ...

10 years ago | 2 answers | 0

### 2

Question

Fmincon unexpected behavior at end of optimization
[Question is modified, new problem] Below the summary of the optimization: First-o...

10 years ago | 1 answer | 0

### 1

Why do I receive "Cell contents reference from a non-cell array object." error?
Try round brackets instead handles.num(:). These ones {} are used for cells.

10 years ago | 1

| accepted

Which optimization function and which algorithm do I use?
Okay I'm still trying; my computer has been running since I posted this question, but still no luck. The interior-point does ...

10 years ago | 0

How can I get my parameters after running fmincon ?
I asked more or less the same question a couple of days ago. The question is not exactly the same, but the answer is. http://...

10 years ago | 0

Question

Which optimization function and which algorithm do I use?
Dear all, I've been working on an optimization of a conceptual aircraft. I've tried many things already, but so far no luck. Up...

10 years ago | 3 answers | 0

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Fmincon passing on variables between functions
Thanks Walter. I did a lot of searching and as I understand, the overall structure needs to be something like this: functio...

10 years ago | 0

Question

Fmincon passing on variables between functions
I have two questionw about the fmincon function in matlab. I'm using it for a large optimization. The objective function takes a...

10 years ago | 3 answers | 0