Hans Scharler

MathWorks

Last seen: Today | Active since 2011

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Community manger, open source program manager, maker, and coffee drinker.

Programming Languages:
Python, C, Javascript, MATLAB, Ruby, HTML, CSS, Arduino, Perl
Professional Interests:
AI for Signals and Images

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Answered
3D surface (frontier) from a set of points
You can use the 3D surface plot. x=[0.0080,0.0044,0.0068,0.0040,0.0061,0.0068,0.0067,0.0041,0.0034,0.0049,0.0058,0.0069,0.0037,...

18 dagen ago | 1

Answered
Matlab Crash on Sonoma(macOS 14.0)
From another support article: https://www.mathworks.com/matlabcentral/answers/2044833-is-matlab-compatible-with-macos-sonoma Ma...

5 maanden ago | 1

Answered
How to change UI from partially Chinese to fully English on M2 Mac with R2023b?
It looks like you tried removing "Chinese, Simplified" from the preferred languages list to fix this issue. This should be a tem...

6 maanden ago | 0

Answered
Add column vector to the end of another column vector
A = rand(50,1); % example 50x1 vector B = rand(100,1); % example 100x1 vector C = vertcat(A,B) % concatenate A and B verticall...

6 maanden ago | 1

| accepted

Answered
What is vectorization? Why use vectorization instead of loops?
Vectorization is about replacing explicit loops with matrix and vector operations. This can lead to more readable and efficient ...

6 maanden ago | 0

| accepted

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What is vectorization? Why use vectorization instead of loops?
Over at Reddit, a user asked about vectorization vs. a loop. This is a fundemental concept in MATLAB. So, what is vectorization?...

6 maanden ago | 1 answer | 0

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Answered
Read data from channel twice a day
You need three TimeControls that call thee MATLAB Analytics scripts (thingSpeakRead / thingSpeakWrite) and then one final MATLAB...

7 maanden ago | 0

Answered
Connecting to ChatGPT using API
I have updated my answer using the built-in webwrite function from MATLAB. % Define the prompt prompt = "What is the capital o...

7 maanden ago | 2

Answered
Truncated answers when querying chatgpt with Matlab
The "max_tokens" parameter limits the response from OpenAI language models. Try increasing it to 1000. parameters = struct('pr...

7 maanden ago | 1

Answered
matlab.net vs webwrite
There were three issues with the commented function. When you use headers for webwrite you do not have to include the ":" in th...

7 maanden ago | 2

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Answered
code for neutrosophic pareto distribution
Neutrosophic Pareto is a concept used in multi-objective optimization problems when some of the information about the problem is...

ongeveer een jaar ago | 0

Answered
Connecting to ChatGPT using API
I have been researching the davinci/completions space and have working MATLAB code using net http. Get your API Key at OpenAPI: ...

ongeveer een jaar ago | 9

| accepted

Answered
Too many output arguments - appdesigner
It looks like you are trying to figure out if treeplotpMenuSelected is selected. You need to check it's Value property. functio...

ongeveer een jaar ago | 1

Answered
how to load and read excel data into matlab?
I would take a look at "readtable" in MATLAB. filename = 'myfile.xlsx'; T = readtable(filename); https://www.mathworks.com/he...

meer dan een jaar ago | 0

Answered
Websocket on mqtt.thingspeak.com port 80 still available?
The address changed for the ThingSpeak MQTT broker: mqtt3.thingspeak.com <https://www.mathworks.com/help/thingspeak/mqtt-basi...

meer dan een jaar ago | 1

Answered
won't let me in!!
Try this Answer: https://www.mathworks.com/matlabcentral/answers/99067-why-do-i-receive-license-manager-error-9

meer dan een jaar ago | 0

Answered
installing MATLAB: license checkout failed: license manage error-9. username does not match the username in the license file
Try this Answer: https://www.mathworks.com/matlabcentral/answers/99067-why-do-i-receive-license-manager-error-9

meer dan een jaar ago | 0

Answered
License Checkout failed License manager Error -9
Try this Answer: https://www.mathworks.com/matlabcentral/answers/99067-why-do-i-receive-license-manager-error-9

meer dan een jaar ago | 0

Answered
how to remove all variables in the workspace
You can use clear command and specifiy the variable name right in your code. newVar = 42 newVar = newVar + 3 clear newVar ...

meer dan een jaar ago | 1

Answered
If I have Matlab trial version can i use matlab online ?
Try accessing MATLAB Online directly: https://matlab.mathworks.com/

meer dan een jaar ago | 0

Answered
How do I get to boldface the numbers that I input?
I know some fprintf tricks for text formatting, although it might not be elegant. You can use strong inside of fprintf. outputN...

bijna 2 jaar ago | 0

Answered
How do I display the splash screen on Linux?
Great question... I looked in the doc for startup options on Linux: https://www.mathworks.com/help/matlab/matlab_env/start-matla...

bijna 2 jaar ago | 1

Answered
Can't open live edit mlx files MATLAB 2016b
This was a known bug and fixed in R2016b. If you still use older versions, there is a workaround listed in the Bug Report: https...

bijna 2 jaar ago | 0

Answered
how do i get the color gray
As others have pointed out, gray is the result of the Red, Green, and Blue values being equal somewhere between 0 and 1 where bl...

bijna 2 jaar ago | 6

| accepted

Answered
Matlab versions supported on Windows 11?
There is a related MATLAB Answer: https://www.mathworks.com/matlabcentral/answers/1466556-are-mathworks-products-compatible-with...

meer dan 2 jaar ago | 2

| accepted

Answered
MATLAB Stack Exchange
There are a lot of MATLAB questions on Stack Overflow. Here's a link to different MATLAB Communities: https://www.mathworks.com/...

meer dan 2 jaar ago | 0

Answered
Professional looking Matlab FAQ
There is now a MATLAB FAQs page on MATLAB Answers: https://www.mathworks.com/matlabcentral/answers/faqs

meer dan 2 jaar ago | 1

Answered
Where Can I Find Reference URLS to Make Answering Questions Here Easier?
There is now a MATLAB FAQs section of MATLAB Answers: https://www.mathworks.com/matlabcentral/answers/faqs

meer dan 2 jaar ago | 0

Answered
How can I display just a small section of my chart?
Try setting results equal to 10, or days equal to 1. For more options, check out the ThingSpeak documentation: https://www.mathw...

ongeveer 3 jaar ago | 1

Answered
posting field values within few seconds fails
The free ThingSpeak account tier has an update rate limit of 15 seconds. You can send both field values in one update. fie...

ongeveer 3 jaar ago | 1

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