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Hans Scharler

MathWorks

Last seen: 4 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:
Machine Learning and Deep Learning

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  • GitHub Submissions Level 2
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  • MATLAB Central Treasure Hunt Finisher
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Answered
won't let me in!!
Try this Answer: https://www.mathworks.com/matlabcentral/answers/99067-why-do-i-receive-license-manager-error-9

16 days 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

16 days 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

16 days 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 ...

2 months ago | 1

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

2 months 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...

6 months 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...

6 months 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...

6 months 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 are equal somewhere between 0 and 1 where black is [0...

7 months ago | 4

| 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...

1 year 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/...

1 year ago | 0

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

1 year 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

1 year 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...

1 year 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...

2 years ago | 1

Question


Are you a startup?
I wanted to see if any of you are a part of a startup, represent an accelerator, or an entrepreneur. Let me know below or feel f...

2 years ago | 0 answers | 0

0

answers

Question


Who is using the MATLAB Discord channel?
Is anyone using the MATLAB Discord channel?

2 years ago | 3 answers | 3

3

answers

Answered
Putting a code open source
You can share your open source MATLAB project via GitHub and then peer it to File Exchange. This will get you maximum reach and ...

2 years ago | 2

Answered
Upload trained machine learning model to Thingspeak
There is a "Developing an IoT Analytics System with MATLAB, Machine Learning, and ThingSpeak" paper linked from the ThingSpeak w...

2 years ago | 1

| accepted

Answered
License Manager Error -9 Your username does not match the username in the license file.
The best way to resolve a License Manager Error -9 is by reactivating MATLAB with the activation client. Linux The activation ...

3 years ago | 25

Answered
Translation R code to Matlab
I don't have a direct answer, but you could use a COM-based interface to call your R function from within MATLAB. There is a pro...

3 years ago | 0

Answered
How to fix this error on Matlab analysis for your email notification?
Is your channel private? If so, then you need to supply a Read API Key with the URL. url=strcat('https://api.thingspeak.com/cha...

3 years ago | 1

Answered
How to read data from your thingspeak on Matlab Analysis
I would start with thingSpeakRead function in MATLAB. data = thingSpeakRead(12397,'Fields',[1,4],'NumPoints',3,'OutputFormat','...

3 years ago | 0

Answered
How to read data in thingspeak using rest client?
Hi. You are close. You also need to provide a Read API Key. https://api.thingspeak.com/channels/929272/feeds.xml?results=4&ap...

3 years ago | 0

Answered
i am sending the data from RTC through arduino to thingspeak. the data sent is shown in the serial monitor but cant see any graph on thingspeak.
I would start by combining all of the update requests into one request. String secData = "GET /update?api_key="+ myAPI +"&"+ ...

3 years ago | 0

Answered
ThingSpeak noncommercial channel limits
50% complete refers to how much of the channel settings that you have specified. If you add a description, tags, field labels, a...

3 years ago | 1

| accepted

Answered
get local temperature into thingspeak
Try weather.gov and passing in decimal degrees location for your city. natickWeather = webread('http://forecast.weather.gov...

3 years ago | 0

Answered
thingspeak read --> stock in a variable --> use this variable in thingspeakwrite ? possible ?
I would try this using the MATLAB Analytics app. The MATLAB Analytics app can be scheduled to run periodically. Also, on the lin...

3 years ago | 0

Answered
ThingSpeak don't update channel automatic
I would write to a second ThingSpeak channel instead of writing data back to the same channel. The reason is that ThingSpeak wil...

3 years ago | 0

Answered
Thingspeak bulk update csv problem
What URL are you sending the POST request? For this format, you need this URL: https://api.thingspeak.com/channels/XXXYYY/bulk_u...

3 years ago | 1

| accepted

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