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Hans Scharler

MathWorks

Last seen: Today 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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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 ...

15 dagar ago | 1

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

22 dagar 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...

4 månader 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...

4 månader 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...

4 månader 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...

5 månader 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...

12 månader 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/...

12 månader ago | 0

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

ungefär ett år 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

ungefär ett år 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...

mer än ett år 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...

mer än ett år 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...

mer än ett år ago | 0 answers | 0

0

answers

Question


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

ungefär 2 år 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 ...

ungefär 2 år 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...

mer än 2 år 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 ...

mer än 2 år ago | 23

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...

mer än 2 år 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...

nästan 3 år 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','...

nästan 3 år 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...

nästan 3 år 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 +"&"+ ...

nästan 3 år 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...

mer än 3 år 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...

mer än 3 år 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...

mer än 3 år 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...

mer än 3 år 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...

mer än 3 år ago | 1

| accepted

Answered
Hough transform from scratch using MATLAB code to detect a line
Do you have access to the book, "Digital Image Processing Using MATLAB"? Consider the normal representation of a line: x cos(th...

nästan 4 år ago | 0

Answered
Having trouble with upload delay in thingspeak
Free ThingSpeak user accounts have a 15 second rate limit. Paid options, commercial for example, have a 1 second rate limit. ...

mer än 4 år ago | 0

Answered
How to interface raspberrypi hardware with Matlab Version 2015 or 2017
I would start with installing the <https://www.mathworks.com/hardware-support/raspberry-pi-matlab.html MATLAB Support Package fo...

mer än 4 år ago | 0

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