# Marc Laub

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**Content Feed**

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define nonlcon in fmincon

Hey, I am trying to finc the minimum of a 4 variable equation using fmincon. Looking at the solution fmincon presents and saw t...

1 dag ago | 1 answer | 0

### 1

answerQuestion

fminsearch with side conditions

Hey, I have a equation where I am looking for the minimum. The equation has 6 variables, but due to interdependencies it can ...

3 dagen ago | 1 answer | 0

### 1

answerQuestion

Problems with fminsearch giving startvalues as result

Hey, I am trying to minimize Gibbs enthalpie dependant an phase fraction and phase compositions. So i set up an equation whic...

25 dagen ago | 2 answers | 0

### 2

answersQuestion

Plotting vertical line with specified color

Hey, I want to visualize the development of a distribution over time. Therefore I want to plot the distribution of the diame...

3 maanden ago | 0 answers | 0

### 0

answersQuestion

Indexing a multidimensional matrix with a second logical matrix

Hello, I want to setup dummy orientation given a binary image. I have a binary images (data) with withe regions separated from...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

Changing Errorbar Markersize within Legend

Hey, following problem: I am plotting some errorbars in my figure. I control the appearend size of the y value with 'Markersiz...

4 maanden ago | 1 answer | 0

### 1

answerQuestion

Writing a small epsilon in xlabel with color

Hey, I wanted to write a red small epsilon in my label \color{red} \epsilon was my first try, but is was the epsilon version i...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

How to remove horizontal and vertical artefacts from image

Hey, I have some images that where stiched together from multiple images and now after the calculations these stich lines whi...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

Variable cell array size for mex function does not work

Hey, I' am trying to bypass the 32bit limit of the MatLab coder, so I chunked my matrix into pieces and wnt to give that pieces...

meer dan een jaar ago | 0 answers | 0

### 0

answersQuestion

Editing code for mex function to support 64 bit indexing

Hey, I want to speed up my code by using a mex function, I actually already did but the probem is that MatLab coder only suppor...

meer dan een jaar ago | 0 answers | 0

### 0

answersQuestion

How to change font in legend while using latex interpreter

Hey, I needed a fraction bar in my legend, so I used latex as interpreter, but now the legend font is in the default tex math f...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

Describe to plots in one line in legend

Hey, I have a plot full of lines and to not overload the legend I wanted to only describe some major differences between the ...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

How to manually edit MatLab Coder .mex-file code to support 64bit indexing

Hey, I have a problem that mex files generated by MatLab Coder only supports 32bit indexing, which is the reason my program get...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

Unexpected unknown exception from MEX file..

Hey, I wrote my bottleneck function as a mex function and it works well so far, but at a sudden point in my programm I just g...

meer dan een jaar ago | 0 answers | 0

### 0

answersQuestion

Change position of exponent of y axis in figure

Hey, I am wondering if there is a possibility to change the position of the exponent of the y axis in a figure. In my case the...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

Convert function with struct input to mex while number of fields is unknown

Hey guys, I am trying to translate a matlab function of mine into a mex function but I am facing some issues. The problem is, ...

meer dan een jaar ago | 0 answers | 0

### 0

answersCode acceleration by mex-file

Thanks, it was the double instead of integer problem. I simply typed the code as in that tutorial but somehow in his tutorial ...

meer dan een jaar ago | 0

Question

Code acceleration by mex-file

Hey, I'am new to the mex-section, but I wanted to accelerate my code, more a very specific time consuming function. To start ...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

Specify band width for kernel PDF

Hey, I'm wondering if there is a possibilty to use the improves Sheater Jones algorythm for optimal bandwith in multimodal di...

meer dan een jaar ago | 0 answers | 0

### 0

answersQuestion

How to implement load function into MatLab Coder

Hey guys, I wrote a programm in Matlab and it takes quite a long time to run through, so we wanted to know how much faster it...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

Properties of adjacency matrix

Hey following thought about the adjacency matrix of a graph. Is it possible to distinguish from the adjacency matrix of a grap...

bijna 2 jaar ago | 4 answers | 0

### 4

answersQuestion

individual sum of array in cell

Hey, I have a cell, for example: array1 = {[4,3.3,2.5,0.71];[3.4,2,1,0.3];...} and I need the sum of each individual array as...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Pointer equivalent in MatLab

Hey guys, I defined an object handle class with some objects in it and those objects got a property which I called "neighbour" ...

bijna 2 jaar ago | 0 answers | 0

### 0

answersQuestion

Can I use the graph function to link user defined objects instead of vertices?

Hey there, is it possible to use the excisting grapf-function with all its funtionalities to link my own objects rather than ...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

MatLab crashing while saving variable

Hello, I am facing issues saving variables from my workspace. MatLab always crashes when I try to save handle objects. When ...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

How to check if multiple objects are linked in a continuous way?

Hey, I have multiple handle class objects from a handle class. I now link them to each other under certain circumstances whi...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

share data between workers while retrieving data from handle class within parpool

Hey guys, following problem. I have a handle class which is linked to different handle class objects of its own class and ...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Looking for help changing linked class objects in parallel

Hey guys, I'am looking for help with following problem. In my code I have defindes vertices, edges and polygons as class han...

bijna 2 jaar ago | 0 answers | 0

### 0

answersQuestion

How to use fetchNext correctly?

Hey, I have to functions which I want to calculate on a parrallel pool. The input of the second function is the output of the...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Why is my parfor loop not running?

Hello, I guess this question has been asked multiple times. I did all the troubleshooting before but I still dont undersatdn wh...

bijna 2 jaar ago | 0 answers | 0