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Jan Kappen


TE Connectivity Ltd.

Last seen: Today Actif depuis 2015

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Question


parfeval with background pool fails when using Java classes
I'm trying to either use an existing database connection, based on com.mysql.cj.jdbc.Driver or to get that created in a parfeval...

1 jour il y a | 1 réponse | 0

1

réponse

Réponse apportée
Importing a .csv file
The right approach is not to have commas as decimal separators in your file. I know this is common in Europe and especially Germ...

environ 2 mois il y a | 0

| A accepté

Réponse apportée
Find out why mat files differ in size
Got it fixed. I've followed a similar approach as @Samay Sagar proposed, but ultimately used getArrayFromByteStream, see Serial...

environ 2 mois il y a | 0

| A accepté

Question


Find out why mat files differ in size
I'm developing a rather complex class hierachy with a few GB of data embedded in its instances which might get saved to mat file...

2 mois il y a | 2 réponses | 0

2

réponses

Question


Dynamic properties auto completion in argument validation
I love argument validation, and especially the option to use the ? operator to automatically list all class properties. However...

3 mois il y a | 1 réponse | 0

1

réponse

Question


Extract regexp tokens with regexpPattern
With regexp I could extract the tokens of my capture groups via regexp("abcd3e", "\w+(\d)+\w", "tokens") The result is a cell...

3 mois il y a | 1 réponse | 0

1

réponse

Question


Matlab Git integration broken: Trailing char < > at index 30
Hi, Neither R2023b nor R2024a pre can update the git status of my project. The Git indicators are small dots, hovering says "Un...

3 mois il y a | 1 réponse | 0

1

réponse

Réponse apportée
Profile and debug load function
I made some tests, and both, idnlarx (which does not support putting it into an array, just into a cell), and some of my custom ...

3 mois il y a | 0

Question


Profile and debug load function
I have a .mat file containing an object of a custom Matlab class that mainly consists of a big data table of type table, stored ...

3 mois il y a | 1 réponse | 0

1

réponse

Question


Function precedence in multiple nested Matlab projects
Matlab projects can add other projects as references. I started to use this to modularize my Matlab libraries. In fact, every gi...

4 mois il y a | 1 réponse | 0

1

réponse

Réponse apportée
Auto create functionSignatures.json from class? Or other way round?
Follow-up on my initial question. Since we now have Function Argument Validation - MATLAB & Simulink (mathworks.com) which is aw...

4 mois il y a | 0

Réponse apportée
Store and recall all appdesigner GUI data.
Is Matlab working on something like this? This is one key point of deciding if we will use Matlab for a rather complex GUI or no...

6 mois il y a | 0

Question


Avoid double validation for constructor arguments that are class properties?
I understand that class properties can be validated via property validation and I love it. I even love more that there's an opti...

10 mois il y a | 1 réponse | 1

1

réponse

Question


Function argument validation and editor auto-completion in wrapper functions/classes
TLDR; Is it possible to automatically use the same argument validation + auto completion in wrapper functions as the called fu...

10 mois il y a | 1 réponse | 0

1

réponse

Question


Dependency management & package manager like pip in ML
Hi all, Matlab is officially still lacking a proper package manager like npm or pip. I do not understand how people structure p...

plus d'un an il y a | 1 réponse | 3

1

réponse

Question


iddata object is casted to struct in parfeval
Hi all, I'm trying to train my nlarx models in a background pool to abort the training after a timeout. But input data of type ...

environ 2 ans il y a | 1 réponse | 0

1

réponse

Question


Custom class properties and method attributes
Is there a way to add custom property or method attributes to handle classes? It is done by several classes or toolboxes, e.g. t...

plus de 2 ans il y a | 1 réponse | 2

1

réponse

Réponse apportée
How do I use live script (*.mlx) files in source control?
Any updates on that? Workarounds? Plugins for Github or GitLab? Mathworks is effectively destroying any kind of collaboration, -...

presque 3 ans il y a | 1

Question


Concept decision for visualization: for loops vs custom iterators vs findgroups/splitapply vs ???
Hi, in data analysis, the visualization workflow usually is load data into (time-) table T process/transform data visualize ...

plus de 3 ans il y a | 1 réponse | 0

1

réponse

Question


ChartContainer is broken?
Hi all, Since R2020a, class properties, provided by the class constructor are assigned after the setup method runs, see https:/...

plus de 3 ans il y a | 1 réponse | 3

0

réponse

Question


Matlab Projects: how to properly reference dependencies with certain version number
Hi all, we're trying to find out the optimal workflow with Matlab Projects and came to a couple of roadblocks: Is there a way ...

presque 4 ans il y a | 1 réponse | 3

0

réponse

A résolu


Inner product of two vectors
Find the inner product of two vectors.

environ 4 ans il y a

A résolu


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

environ 4 ans il y a

A résolu


Add two numbers
Given a and b, return the sum a+b in c.

environ 4 ans il y a

A résolu


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

environ 4 ans il y a

A résolu


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

plus de 4 ans il y a

Réponse apportée
What is the purpose of 'Events' in OOP in MATLAB?
The concept is the quite common concept of observer pattern. If you want to fire (aka notify) named events that can be observed...

plus de 4 ans il y a | 0

Question


Real time plotting slow: FigureController.flushCoalescer needs a lot of memory and cpu time
Dear all, I'm trying to plot data points from a serial device as fast as possible and I think, almost all best practices have b...

presque 5 ans il y a | 1 réponse | 4

0

réponse

Question


Compile SignalAnalyzer App to Standalone exe
Is it possible to use the Matlab Compiler to create a standalone version of the SignalAnalyzer? The sources of the SignalAnalyze...

environ 6 ans il y a | 1 réponse | 0

1

réponse

Question


Auto create functionSignatures.json from class? Or other way round?
As described <https://de.mathworks.com/help/matlab/matlab_prog/customize-code-suggestions-and-completions.html here>, we now can...

environ 6 ans il y a | 3 réponses | 2

3

réponses

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