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Cris LaPierre

MathWorks

Last seen: en dag ago |  Active since 2018

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Answered
Como evaluar un curso hecho en la plataforma de Matlab?
It sounds like you want a way to determine if your learners have completed a self-paced online course from MathWorks. I can thin...

en dag ago | 0

Answered
Legend for multiple data series at once
In MATLAB, each column of data is treated as a series, and by default, each series gets its own legend item. You are plotting 5 ...

2 dagar ago | 1

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Answered
MathWorks Self-Paced Online Course License Error -5
How are you trying to open the course? I think you need to select 'Launch in Browser' from the course page instead of trying to ...

3 dagar ago | 0

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Answered
R&S waveform (.wv) files read and write!
Your file format is definitely different. Rather than being all binary, like the example I linked to, it captures the binary dat...

4 dagar ago | 0

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Answered
Error in Simscape battery Onramp
That portion of the model is all provided for you. I suspect something didn't load correctly. I was able to complete this task...

5 dagar ago | 0

Answered
How to rotate image 3D
I noticed you must be using R2024a instead of R2024b. Some of the functionality this code uses is no longer available in R2024b,...

9 dagar ago | 0

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Answered
Is it possible to plot a vector arrow using quiver( ), then, negate the vector so it points in the opposite direction, but then add arrowhead in original direction?
Perhaps you could share a working example? When I negate U and V, the arrows point the opposite direction. I also modified the ...

12 dagar ago | 1

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Answered
MATLAB Code Solution Assessment
There is no built-in way to check how learners created subMat. However, there are 2 aproaches you could take that would prevent ...

13 dagar ago | 3

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Answered
What is the heat flow sign convention for a Simscape Temperature Source?
First a caution. Do not assume direction based on block orientation. You would get the same results no matter the orientation of...

14 dagar ago | 0

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Answered
How can I make the following heatmap smoother while preserving the contours outlined by the green line?
You need to increase the resolution of your data to smooth the apperance. If I couldn't collect the data at higher resolution, I...

14 dagar ago | 0

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Answered
Matlab Fundamentals course:Creating and Calling Functions(4/5) Modify a Function: Not enough input arguments. Error in zerofunction>findcrossing (line 23) y = y - z;
As far as I can tell, you have not followed the instructions. The error suggests you have done part 2 correctly, but the image s...

15 dagar ago | 0

Answered
problem with the power system simulation onramp course
I was able to duplicate the issue. This is happening because the default value for one of the Wye-Connected Load block parameter...

16 dagar ago | 1

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Answered
Problem with Power Systems onramp course
You Synchronous Machine Salient Pole block does not look correct. You have 3 outputs on the right. You should only have 2. Speci...

16 dagar ago | 0

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Answered
Fit countours to shape
I made an attempt using the Image Segmenter app. I first thresholded the image, then eroded the mask to get a roughly square sha...

16 dagar ago | 0

Answered
Use CompEcon toolbox in Matlab online
In it's simplest form, a toolbox is just a grouping of functions added to the MATLAB path. I am not familiar with this toolbox s...

16 dagar ago | 1

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Answered
unable to save a figure in for loop
I think the issue is with how you are building figname. i =0; minlat=40.4+i*(1/60); maxlat=40.4+(i+1)*(1/60); latcent=(minl...

17 dagar ago | 2

Answered
anyone can help me to open this file . sin
This code will reproduce the results obtained in imageJ using the settings provided in the GATE documentation with one change - ...

18 dagar ago | 0

Answered
Plotting a Semi-Log Plot as a Function of Time
I'd do something like this. Let me know if you have any questions t = logspace(-2,2); % one way to implement a piecewise funct...

21 dagar ago | 0

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Answered
How run the code including wiener process function
You use a function - w(t) - that you do not define in your code. At least that is the error I get in this line: u_deterministic...

21 dagar ago | 1

Answered
Convert Classification Network into Regression Network
In R2024a, machine learning models were transitioned to dlnetwork. Rather than assign the output, they now output the prediction...

24 dagar ago | 1

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Answered
A-version versus B-version of MATLAB
From my perspective, I don't think there is any merit to this notion.New features are added in every releaes, and the internal p...

24 dagar ago | 2

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Answered
Set tick label of the color bar with dates in the format yyyy-MM-dd HH:mm:ss.
I'm not sure how you created the dates variable used to set the tick labels. It can be difficult to convert decimal years back i...

24 dagar ago | 0

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Answered
Global variables are inefficient and. make errors difficult to diagnose
Why not pass the variables as inputs and outputs to your functions? I did this by putting all the code into one script, then use...

26 dagar ago | 1

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Answered
Help with MATLAB ODE45 to solve Heat Transfer Model
The odefxn is returning a row vector instead of a column vector. However, looking at your code, it should be returning a scalar....

26 dagar ago | 0

Answered
How to fix error in reading shape file vertices?
In the file you have shared, your shapefile has a single shape in it, and that shape does not contain an X property. unzip('PLA...

26 dagar ago | 0

Answered
Importing CAD file into matlab (STEP file)- Aircraft structure
I was able to load your step file into OnShape. Your file has 3 independent geometries in it. That is why you are getting this e...

27 dagar ago | 0

Answered
Problem Sets from Matlab Grader in Brightspace
The LTI integration of MATLAB grader currently functions at the problem level. That means each MATLAB Grader component in your L...

ungefär en månad ago | 1

Answered
Hello, I'm trying to create a plot for an equation of motion defined as a function.
It sounds like you have your function inside a larger script. In your version of MATLAB, the function must be moved to the botto...

ungefär en månad ago | 1

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Answered
Help with getting some times from a data set
I found it easiest to work with is the real csv file. T = readtable('mytime.csv','TextType','string'); % extract the values th...

ungefär en månad ago | 0

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Answered
Is there a way to plot two or several matrixes in one Diagramm using the same collor for respectively two Graphes?
The default colororder has 7 colors in it, and each series uses the next color in the colormap. Once the 7th line is used, the c...

ungefär en månad ago | 1

| accepted

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