Answered
Read CSV with row in quotes (string and numbers)
I'd take advantage of some of the built in capabilities of readtable. By setting the appropriate options, MATLAB can handle the ...

6 years ago | 1

Answered
Selecting values to make further calculations
There are a couple errors with the snippet of code included above, but I suspect that is becaue some code is missing. Assuming i...

6 years ago | 0

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Answered
Why do I get NaN for data on uiimport?
NaN means the data in that row,column is missing. You can specify what to put there instead if you don't want NaN. You can do th...

6 years ago | 0

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Answered
How to extract some rows from a matrix which crosspond to some value in another vector?
D(V==2,:)

6 years ago | 0

Answered
upload files to question description - MATLAB GRADER
Is this for students to work on the problems in MATLAB Grader or on their own version of MATLAB? You can add files to a MATLAB ...

6 years ago | 1

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Answered
Live Editor won't start MATLAB R2018a on ArchLinux
Try some of the debugging steps listed here: https://wiki.archlinux.org/index.php/MATLAB#Live_Script_Errors

6 years ago | 0

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due dates in matlab grader
Yes, students can submit solutions after the due date, including new submissions. All submissions submitted after the due date a...

6 years ago | 0

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Answered
i got a simulation problem from an online course i am not able to use it
Did you type runsim in the command window? Before doing so, was your current folder in MATLAB set to the folder where you saved ...

6 years ago | 0

Answered
Set path missing from "environment" for web-based MATLAB
You could also right click on the folder in your current folder window. In the context menu, you will have an option to add the ...

6 years ago | 0

Answered
Fill missing cells NANs
<missing> is the appropriate value for missing string data. From the doc: Standard missing values depend on the data type: NaN...

6 years ago | 0

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Position figures on a subplot
I'm not sure you want to be using hist3. I think you may want to use histogram2. For what you are asking, take a look at scatte...

6 years ago | 0

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Answered
double matrix to image conversion
How are you trying to view the image? I suspect you need to use uint8 to first convert your doubles to a value between 0 and 2...

6 years ago | 0

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How to find text in csv file and filter information the table
I'll second Meg Noah. Don't use xlsread on a csv file. Try readtable. We don't have enough info really help you code anything. ...

6 years ago | 1

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How can I convert a file that contains ASCII formatted letters into normal text using Matlab?
Agreed. Looks like binary data. You can still convert it to text, but you have to know something about the file format. In the...

6 years ago | 0

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How do I stop a MATLAB Online Trial?
It will automatically expire after 30 days. Otherwise, you'd need to contact customer support.

6 years ago | 0

Answered
The count of output clusters
I would think max(idx) should tell you the number of clusters dbscan found. For linkage, I think this is easiest if you use the...

6 years ago | 0

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Answered
Error using contour (Z must be at least a 2x2 matrix. What changes should I make to my code to make Z a 2x2 matrix?
The solution is to ensure X, Y and G are all the same size. The meshgrid operation makes X and Y 100 x 100. The problem, then, i...

6 years ago | 0

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Answered
Rand Function in MATLAB
The random functions in MATLAB generate random numbers, not select a random value from a supplied vector. What you could consid...

6 years ago | 1

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Selecting data in a column matrix
See this chapter in MATLAB Onramp.

6 years ago | 1

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Error trying to load a file in MATLAB Grader
It depends on what the end task is you are trying to achieve, but my recommendation would be to use readtable.

6 years ago | 0

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Matlab 2018a installation problem
You can go through the install FAQ here. If that doesn't help, contact technical support.

6 years ago | 0

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ANOVAN with possibility of columns as the variables as input
I don't quite understand you example, but for anovan, the expected input is a column vector of numbers (nx1) and a cell array of...

6 years ago | 0

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Answered
Problem solution using MATLAB
I'd suggest using a live script. You can include images, latex equations, and text along with exeutable code.

6 years ago | 0

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Speed up running Simulink model using sim in MATLAB Grader
We actively discourage incorporating Simulink into MATLAB Grader. It is not a supported use-case.

6 years ago | 0

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Is there a way to find the max value in an array without using the "max" command?
The max function is just an implementation of an algorithm that compares the values in the vector to find the one with the highe...

6 years ago | 0

Answered
Opening Function Figure Maximize Anomaly (GUIDE)
If behavior has changed and you think it is a bug, you could try contacting technical support to report it. This is the best way...

6 years ago | 0

Answered
Cannot access my Thingspeak account
This is a community forum. We aren't able to help you with account access. Contact customer support.

6 years ago | 0

Answered
Automatic ECG peak detection with FFT
Do you have the Signal Processing Toolbox? If so, look into the findpeaks function.

6 years ago | 0

Answered
how can I move the legend in uiaxes?
It is not possible to move the legend with your mouse. The location is set using a name-value pair argument (see doc here). Th...

6 years ago | 0

Answered
How can I use Structures array the App Designer Properties?
Use the Properties option in App Designer. All properties you define are added to the app structure. This is accessible and pas...

6 years ago | 1

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