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Jan Kappen


TE Connectivity Ltd.

Last seen: Today Active since 2015

Followers: 1   Following: 0

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Answered
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...

20 days ago | 0

| accepted

Answered
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...

28 days ago | 0

| accepted

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...

1 month ago | 2 answers | 0

2

answers

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...

2 months ago | 1 answer | 0

1

answer

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...

2 months ago | 1 answer | 0

1

answer

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...

2 months ago | 1 answer | 0

1

answer

Answered
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 ...

2 months ago | 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 ...

2 months ago | 1 answer | 0

1

answer

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...

2 months ago | 1 answer | 0

1

answer

Answered
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...

3 months ago | 0

Answered
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...

5 months ago | 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...

9 months ago | 1 answer | 1

1

answer

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...

9 months ago | 1 answer | 0

1

answer

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...

1 year ago | 1 answer | 3

1

answer

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 ...

2 years ago | 1 answer | 0

1

answer

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...

2 years ago | 1 answer | 2

1

answer

Answered
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, -...

3 years ago | 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 ...

3 years ago | 1 answer | 0

1

answer

Question


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

3 years ago | 0 answers | 3

0

answers

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 ...

4 years ago | 0 answers | 3

0

answers

Solved


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

4 years ago

Solved


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

4 years ago

Solved


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

4 years ago

Solved


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 ...

4 years ago

Solved


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...

4 years ago

Answered
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...

4 years ago | 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...

5 years ago | 0 answers | 4

0

answers

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...

6 years ago | 1 answer | 0

1

answer

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...

6 years ago | 3 answers | 2

3

answers

Question


Update multiple columns in table without loop, dot vs curly braces
Hi all, I'd like to convert multiple columns (Variables) in a table object to another class like categorical or double. So fa...

6 years ago | 0 answers | 0

0

answers

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