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Cris LaPierre


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MathWorks

538 total contributions since 2018

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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...

7 jours 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...

7 jours ago | 0

| accepted

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 ...

14 jours ago | 1

| accepted

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

17 jours ago | 0

Answered
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...

18 jours 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 ...

24 jours 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 ...

24 jours 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...

24 jours ago | 0

Answered
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...

24 jours 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...

24 jours ago | 0

Answered
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. ...

24 jours ago | 0

Answered
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...

24 jours ago | 0

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

25 jours 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...

25 jours 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...

25 jours 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...

25 jours ago | 1

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

25 jours ago | 1

Answered
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.

25 jours ago | 0

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

environ un mois ago | 0

Answered
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...

environ un mois 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.

environ un mois ago | 0

Answered
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.

environ un mois ago | 0

Answered
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...

environ un mois 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...

environ 2 mois 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.

environ 2 mois ago | 0

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

environ 2 mois 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...

environ 2 mois 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...

environ 2 mois ago | 1

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Answered
How can I change quiver width (MaxHeadSize don't work for width)?
maxHeadSize worked for me. Perhaps try setting it this way? q=quiver(x,y,u,v); q.MaxHeadSize = 0.01; For length of the arro...

environ 2 mois ago | 0

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