Cris LaPierre
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Contribute at least one answer each month for 36 consecutive months
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Accept 20 answers given by other contributors
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Top ten contributors whose answers received the most acceptances in 2021
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Answer 50 questions that were unanswered for more than 30 days
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Content Feed
Need help on how to CREATE a text file in matlab?
It really depends on the data you are trying to write to the file. See this page: https://www.mathworks.com/help/matlab/import_e...
environ 8 heures il y a | 0
I get error in unrecognized function or variable 'T'.
You need to define a value of T(j) before you can use it in a calculation. dt=0.01; %time interval j=1; T(j+1)=T(j)+dt; Perh...
environ 8 heures il y a | 0
Type Editor. how it works
There is a documentation page: https://www.mathworks.com/help/simulink/slref/typeeditor.html From their, use the menu bar to fi...
3 jours il y a | 0
How to average 'data' column of [Latitude, Longitude, Data] data from multiple file and save the average of 'data' column with using the same [Latitude, Longitude]
Is the firle format the same in all your files? If so, I would use a filedatastore to load all the data into a single table, and...
3 jours il y a | 1
Plotting 4 D Data
You can use X, Y and Z axes to visualize data up to 3 dimensions. To visualize higher dimensions, you must incorporate something...
7 jours il y a | 1
Can't get simulink Onramp Certificate
It seems like you already found this answer: https://www.mathworks.com/matlabcentral/answers/1573013-can-t-get-simulink-onramp-c...
7 jours il y a | 0
How can I solve this question about Global Optimization Toolbox?
It looks like you have not installed the Global Optimization Toolbox. If that toolbox is included in your license, you can ins...
7 jours il y a | 0
how i scale up my graph
Do you mean you want to control the number of bins? If so, use either of these syntaxes histogram(X,nbins) histogram(X,edges)
10 jours il y a | 0
checking for colon operator in MATLAB grader
MATLAB Grader does not have a built-in way to check for the use of operators (see this related question). You might try combini...
11 jours il y a | 0
Making moving average calculations, on a weekly basis, of hourly data blocks.
Here's a slightly different approach that arranges the data in a 24xn grid and uses movmean to create a moving 7-day average by ...
12 jours il y a | 1
| A accepté
I can not see where is the mistake! Something wrong with transitions but cant figure it out.
Check your transition for when SOC >=97. It should be connected to the Charge state, not the SeekDock state.
12 jours il y a | 0
Matlab simulation for projectile motion
You may find the example used in Ch1 of Teaching with MATLAB helpful for this purpose. I think you could modify it easily enough...
12 jours il y a | 0
extract the number with only the first decimal number
I'd look into fix or floor. V = [1.23, 2.49, 4.77, 7.51]; v1 = floor(V*10)/10 v2 = fix(V*10)/10
12 jours il y a | 0
| A accepté
How do I handle multiple components and callbacks in app designer?
Each component has its own name. You need to update your code to refer to the specific component. You can view the name(s) in th...
12 jours il y a | 1
| A accepté
Automatically shifted from matlab online to matlab online (basic) version
It looks like you are taking our Computer Vision specialization on Coursera. Thanks! MathWorks provides free access to MATLAB ...
14 jours il y a | 0
Custom variables in LMS
Limiting submissions is the only custom parameter currently supported by MATLAB Grader. See this answer for details on how to us...
14 jours il y a | 0
| A accepté
Adding a column to my table
You have defined S as a multidimension structure (S(k)), not a table, so in order to add time to your structure, you must now in...
17 jours il y a | 0
| A accepté
HOW DO I GET ACCESS TO MATLAB AS STUDENT (License Number or Activation Key) ? I STUDY AT UERJ - UNIVERSIDADE DO ESTADO DO RIO DE JANEIRO, BRAZIL
Explore what options you have available to you here: matlab.mathworks.com You may need to create a free MathWorks account first...
17 jours il y a | 0
where I find the file starData to use in the stellar motion script ?
You can find starData.mat in the Stellar Motion folder in the downloaded course files. You can find the download option by clic...
17 jours il y a | 0
how to find standard deviation in six sigma format?
The function std returns one standard deviation. Multiply by +/-1, +/-2 and +/-3 to get more than that. Here's a simple example...
environ un mois il y a | 0
Can I access R2021b MATLAB Onramp certification's sharable link?
There is not currently a way to get a shareable link to a version of the course that is no longer available on the platform. Onl...
environ un mois il y a | 1
| A accepté
why I can't launch Simulink Onramp course on desktop?
See this page: https://www.mathworks.com/help/simulink/slref/simulinkonramp.html If you do not have a license for Simulink, you...
environ un mois il y a | 0
| A accepté
how can i plot many series of values in the same plot
If you want multiple lines to appear with a single plot command, you need to be plotting a matrix. Each column of data is treate...
environ un mois il y a | 0
matlab live script support run Python language directly
This is a community help forum. The best place to send suggestions to MathWorks is here: https://www.mathworks.com/support/cont...
environ un mois il y a | 1
Signal Processing Onramp (Preprocessing Signals -- Extract Interesting Regions)
Exit preprocessing. Then click on the 'Display' tab and look for the Extract Signals option in the ribbon. Click 'Hint' underne...
environ un mois il y a | 1
Having issues with editing the electrical elements in simscape onramp
You have double clicked on the resistor in the library. You need to first add it to your model before you can modify the paramet...
environ un mois il y a | 0
| A accepté
display numeric row vector in app designer text box
The comma is a separator for building the vector, but is not actually part of the vector. Therefore, you will have to add it man...
environ un mois il y a | 0
| A accepté
¿Como puedo actualizar mi licencia de estudiante de Matlab?
Please contact sales: https://www.mathworks.com/company/aboutus/contact_us/contact_sales.html
environ 2 mois il y a | 0
Issue with multiple If condition
In the example you have shared, var(P_matrix) is not less than 1.5, so the bolded code in the nested if statement is not reached...
environ 2 mois il y a | 0
| A accepté
There is a bug in Simscape onramp
Yes, This has been fixed in the latest version of the course. What version of MATLAB are you using? 200 is the value used in th...
environ 2 mois il y a | 1
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