Community Profile

# Hans Scharler

### MathWorks

Last seen: 2 days ago Active since 2011

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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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,...

13 days ago | 1

Highlighted

More than 500,000 people have subscribed to the MATLAB channel. MathWorks would like to thank everyone who has taken the time to...

16 days ago | 10

Submitted

DFS Fantasy Football Lineup Optimizer
Optimize your Daily Fantasy Sports (DFS) fantasy football lineups with MATLAB and the Optimization Toolbox

Highlighted

New Community Feature: AI Chat Playground
The MATLAB AI Chat Playground is now open to the whole community! Answer questions, write first draft MATLAB code, and generate ...

4 months ago | 22

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...

4 months ago | 1

Published

An interview with MATLAB playground: Build your IoT Analysis and Plots for ThingSpeak
The MATLAB AI Chat Playground was launched on the MATLAB Central community at the end of November. I recently got the...

5 months ago

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...

5 months ago | 0

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 months ago | 1

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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 months ago | 0

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Question

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 months ago | 1 answer | 0

### 1

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 months ago | 0

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 months ago | 2

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 months ago | 1

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 months ago | 2

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22 Years of the MATLAB Central community!
Here's a screenshot from 22 years ago. Thanks for building one of the best engineering and science communities together.

7 months ago | 14

Published

Edit ThingSpeak Code Easier in MATLAB Online
If you want to upgrade your ThingSpeak capabilities, have a look at the ThingSpeak repository of template codes that open...

10 months ago

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MATLAB EXPO is coming up soon and it is time to register. It's free and open to everyone. You will have the opportunity to conne...

12 months ago | 9

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Try Dark Mode in the MATLAB Desktop Beta
Please use the feedback button in the MATLAB Desktop beta to send us your feedback, input, and experience. Enjoy!

1 year ago | 16

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...

1 year ago | 0

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: ...

1 year ago | 9

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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...

1 year ago | 1

I would take a look at "readtable" in MATLAB. filename = 'myfile.xlsx'; T = readtable(filename); https://www.mathworks.com/he...

1 year ago | 0

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...

1 year ago | 1

Published

The Slovak University of Technology Fosters Project-Based Learning Using ThingSpeak in Industrial IoT Course
“MATLAB and ThingSpeak extended tools necessary for remote learning and technologies covered by our course. Project-based...

1 year ago

Published

Professor at Arizona State Uses MATLAB and ThingSpeak to Introduce Students to AI and IoT
Professor Chao Wang at Arizona State University recently introduced a course on AI and IoT to first-year engineering...

1 year ago

won't let me in!!

1 year ago | 0

1 year ago | 0

1 year ago | 0

Solved

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

1 year ago